What is posterior wall of maxillary sinus?

Answers

Answer 1

The posterior wall of the maxillary sinus is the surface of the sinus that is closest to the back of the head, or the posterior aspect of the body. In humans, the maxillary sinuses are located in the maxillary bones, and their posterior walls are formed by the body of the sphenoid bone.

The posterior wall of the maxillary sinus is an important anatomical landmark that can help surgeons to identify the boundaries of the sinus during procedures, such as sinus surgery or implant placement. The maxillary sinus is one of the four paranasal sinuses located in the maxillary bone of the skull. It is the largest of the paranasal sinuses and is located in the cheekbone, just behind the cheeks and below the eyes. The maxillary sinus is lined by a thin mucous membrane and normally contains air. Its main function is to humidify and filter the air we breathe, as well as to provide a cushion of sorts to protect the facial bones from trauma.

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Related Questions

Which can disrupt the cell cycle?

A. mutation

B. GO phase

C. replication

D. cancer

Answers

Answer:

Mutation can disrupt the cell cycle.

why do our lungs slightly tickle, when you try to hold your deep breath in.
I am talking about the time around 10-20 seconds when you start to have a sensation that tries to force you to release.

Answers

The sensation of tickling or discomfort that you may feel when trying to hold your breath for an extended period of time is due to the buildup of carbon dioxide (CO2) in your bloodstream.

When you inhale, oxygen enters your lungs and is transported to your body's cells through the bloodstream. As the cells use oxygen to produce energy, they also produce CO2 as a waste product. The CO2 then travels back to the lungs, where it is exhaled out of the body.

When you hold your breath, the body's cells continue to use oxygen and produce CO2. However, since you are not exhaling, the CO2 builds up in your bloodstream, causing the blood to become more acidic. This change in pH triggers the body's respiratory center, which sends a signal to the lungs to breathe in air and release the CO2.

The sensation of tickling or discomfort that you feel is your body's way of telling you to breathe in air and release the CO2. If you continue to hold your breath, the discomfort may increase and eventually become painful, and you may also start to feel dizzy or lightheaded due to the lack of oxygen.

Identifythe delivery method of a drug that enters the body through the intestine. a.inhalation c.transdermal patches b.ingestion d.topical application

Answers

The delivery method of a drug that enters the body through the intestine is ingestion. Option B.

What is ingestion?

Ingestion refers to the process of taking a substance, such as medication or food, orally through the mouth and swallowing it.

When a drug is ingested, it passes through the digestive system and eventually reaches the intestine, where it can be absorbed into the bloodstream for distribution throughout the body.

Inhalation involves inhaling a substance into the lungs, transdermal patches are applied to the skin for systemic absorption, and topical application refers to applying a substance directly to the skin for localized effects.

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bile is used to aid in the digestion and absorption of group of answer choices nucleic acids. carbohydrates. fats. fats and proteins. proteins.

Answers

Bile is used in the digestion and absorption of fats.

Bile is the digestive fluid or juice which is produced by the liver but stored in the gall bladder. The main role of bile to breakdown the fats into fatty acid. The bile juice is composed of various components like water, bile salts, bilirubin phospholipid, cholesterol, etc.

Fats are chemically the esters of fatty acids. It is also an essential macronutrient to be taken with the diet. However it should be ensured that only good forms of fats are taken in and not the bad form that gets stored in the body. The sources of food that provide the good fat are: eggs, avocado, seeds, nuts, fishes, etc.

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a wealthy and elderly couple died together in an accident .soon a man comes up to claim for their fortune saying that he is their only son who ran away from their house when he was a boy.other relatives dispute this claim .hospital records show that the deceased couple was blood type O and AB.the blood group of the claimentwas O type.do u think the claiment was correct? explain?

Answers

Based on the information provided, it is difficult to determine if the claimant is the biological son of a wealthy and elderly couple. Although the blood type of the deceased couple is O and AB, and the claimant's blood type is O, it is possible for non-biological relatives to have the same blood type.

Furthermore, the hospital records do not provide any evidence of a biological relationship. Therefore, additional evidence such as DNA testing or a written will that confirms the claimant as the biological son would be necessary to determine the legitimacy of the claim.

The other relatives disputing the claim suggest that they may have evidence to the contrary, and their input should also be taken into consideration before making any decisions about the inheritance. Ultimately, a thorough investigation and legal process would be required to properly determine the rightful heir to the couple's fortune.

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research notes about WATER PURIFICATION...

FACTS ABOUT THIS TOPIC AND OTHER INFORMATION I CAN GET ABOUT IT FOR MY PROJECT

Answers

Introduction:

Chemicals and bacteria are killed and removed from water during water purification. The purification of water is not only for drinking, but it can also be used in industrial, medical, and scientific applications. Water can be purified in a number of ways. Water makes up 70% of the human body, and drinking unsafe water will affect a minimum of 70% of our body. It is imperative to monitor all water sources in order to keep people safe. It is impossible to tell whether water is safe just by looking at it.

Importance of having clean water.

UV Water Purification. UV stands for Ultra Violet. With UV systems, 99.99% of harmful microorganisms can be destroyed without any chemicals or changing the taste or look of your water. United States FDA approved it in the top 4 water purification techniques. Ultra Violet Water Purification proved to be a quick, cost-effective, and reliable method of purifying water. UV is a safe, clean, and easy method. It uses Ultra Violet light to kill microorganisms. This technology is already proven without drawbacks.

Sam, who has type A blood wants to donate blood to his sister Mia, who has type O blood. Can he donate his blood to her? Why or why not?

I need help please

Answers

No he cannot, his blood type would be rejected by his sister's, and it would not help. In order for him to help he'd have to have a blood type O as well

Secretions from the liver and the pancreas get mixed with food here. By the time food leaves this organ, the process of digestion is complete. Which organ are we talking about?

Answers

small intestines, i belive.

3. A scientist predicts that the kittens born with a congenital birth defect will be

25% based on the hypothesis that it is caused be a recessive gene in that

breed of cat. After surveying several litters, he found that 44 out of 128 kittens

had the defect. Is his hypothesis correct?


CHI SQUARE


PLSSS HELP

Answers

To determine if the scientist's hypothesis is correct, we need to compare the predicted frequency of the birth defect with the observed frequency in the survey.

The hypothesis is that the birth defect is caused by a recessive gene, which means that it would only appear in homozygous recessive individuals. If we assume that the frequency of the recessive allele in the population is q, then the frequency of homozygous recessive individuals (qq) would be q^2. The predicted frequency of kittens born with the birth defect would therefore be q^2 = 0.25, or q = 0.5. In the survey, 44 out of 128 kittens had the birth defect. The frequency of the birth defect in the survey is therefore 44/128 = 0.34375, or about 34.4%. The observed frequency of the birth defect is higher than the predicted frequency based on the hypothesis, which suggests that other factors may be contributing to the occurrence of the birth defect in these cats. Therefore, the scientist's hypothesis is not fully supported by the survey results. However, it is important to note that this conclusion is based on a single survey, and further research would be necessary to fully evaluate the hypothesis.

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Which of the following is one of the products of cellular respiration?

Glucose
Mitochondria
Oxygen
Water

Answers

Mitochondria or oxygen

Answer:

Water

Explanation:

Water is one of the products of cellular respiration.

Sodium deficiency hampers reabsorption of kidney shows a thick-walled vessel with renal corpuscles scattered in the tissue on one side of the vessel but not on the other side. What vessel is this? A. glucose B. albumin C. creatinine D. water A. Interlobar artery B. Cortical radiate artery C. Cortical radiate vein

Answers

Sodium deficiency can inhibit renal reabsorption by thick-walled vessels and renal blood cells scattered throughout the tissues. The ship was called D. Air

What is sodium deficiency?

A deficiency of sodium in the blood is also known as hyponatremia. Hyponatremia occurs when the composition of water and sodium is not balanced. Where there is too much water or not enough sodium in the blood. Typically, a person's sodium level should be between 135 and 145 milliequivalents per liter (mEq/L). So that sodium deficiency can inhibit kidney reabsorption to remove excess water levels in the body.

In hyponatremia, sodium levels in the blood are less than they should be. This results in increased water levels in the body and makes the body's cells swell.

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You want brainliest? Then be first!

You want brainliest? Then be first!

Answers

Answer:

i believe that the answer is the second one  

Explanation:

It is environmental science

It is environmental science
It is environmental science

Answers

Answer:

The main biome in Alaska is Tundra.

Explanation:

According to the map the state Alaska's main environment is covered in light blue which in this case indicates the tundra biome. In case you were not aware Alaska is the northwestern most region.

I hope this helps! :D

the epigastric region is superior to the umbilical region.

Answers

The epigastric region is indeed superior to the umbilical region.

In human anatomy, the abdomen is divided into several regions or quadrants for anatomical reference. Two of these regions are the epigastric region and the umbilical region.

The epigastric region is located superiorly, meaning it is positioned above or higher than the umbilical region. It is located in the upper middle portion of the abdomen, just below the sternum (breastbone). The epigastric region is bordered by the costal margins (lower edges of the ribcage) superiorly and extends down to the level of the umbilical region.

On the other hand, the umbilical region is positioned inferiorly, meaning it is located below or lower than the epigastric region. It is situated around the umbilicus, commonly known as the belly button. The umbilical region is centrally located in the middle of the abdomen.

To summarize, the epigastric region is located superiorly, above the umbilical region, in the upper middle portion of the abdomen. The umbilical region is positioned inferiorly, below the epigastric region, and is centered around the belly button.

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PLEASE HELP 10 POINTS + BRAINLIEST!!!!!

Which of the following is an example of an experimental procedure that can help you get accurate results in an experiment?
I wonder if magnets attract all metal objects?
I notice that the magnet attracted the paper clip and the nail but not the gold ring or the copper penny.
I observe that magnets attract metal things.
I must test all objects in the same way to get accurate results.

Answers

Answer:

I must test all objects in the same way to get accurate results.

Which occurs in the integumentary system after a deep injury occurs to the system?

Multiple choice question.

A)
Red blood cells fight off pathogens.

B)
Blood quickly clots to form a scab.

C)
Epidermis cells increase their size.

D)
Dermis cells close the injured vein.

Answers

I believe the answer is C. Have a good day.

Answer: The correct answer is B

Structures of
Complete the passage to describe the function of the heart.
The pumping of the heart involver the
Check

Answers

According to the research, the correct answer is myocardium and the chambers. The pumping of the heart involves the myocardium and the chambers.

What is the function of the myocardium?

It is the muscle tissue of mixed components, which is located exclusively in the walls of the heart.

In this sense, this element has the function of generating the contractions necessary for the blood to reach all parts of the body, allowing the chambers of the heart to contract and relax.

Therefore, we can conclude that according to the research, myocardium is a type of organ that works directly in transmitting and generating a muscular contraction.

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Are these two substances the same ? Explain why they are or are not .

Are these two substances the same ? Explain why they are or are not .

Answers

Answer:

They are the not the same exact thing because they are both pawter both marked as yellow but there not the same yellow and marks they are Conductivity but in order of it to be the same it has to have everything the same and the melting temperatures are different and different Density

Do plants carry out the processes of photosynthesis, cellular respiration, or both?

Answers

Answer:

Both

Explanation:

Plants carry our both the processes, thus generating food and energy. In fact, cellular respiration is carried out continuously throughout their life, while photosynthesis is only carried out during the hours when sunlight is available.

How are soluble food molecules absorbed into the epithelial cells of the small intestine

Answers

Soluble food molecules are absorbed into the epithelial cells of the small intestine through the process of diffusion and active transport.

In 3–5 sentences, explain how increases in the human population impacts water resources. Provide specific examples in your answer.

Answers

The increase in human population impacts water resources as follows:

increase in water pollutionscarcity of clean potable wateroverfishing and hunting of water organisms

What are the effects of an increase in the human population?

The human population refers to the number of individual humans that can be found in a given area at a particular time.

All over the world, there has been an increase seen in the human population, especially in developing countries.

The effects of an increase in the human population include:

The need for food, water, housing, energy, healthcare, transportation, and other resources will rise as the population grows.And all that consumption raises the probability of major catastrophes like pandemics, ecological destruction, and greater violence.

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Objectives:
Identify and describe factors contributing to water
pollution
Understand the impact of these on the environment,
people, plants and animals.
Understand and Describe why we need to control

Answers

The objectives of understanding water pollution are to identify and describe the contributing factors, comprehend its impact on the environment, people, plants, and animals, and recognize the need for effective control measures.

The actors contributing to water pollution

By achieving these objectives, individuals can gain knowledge about the causes of water pollution, understand the consequences

it has on various aspects of life, and appreciate the importance of implementing measures to prevent and control water pollution for the well-being of both ecosystems and human populations.

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PLEASE HELP ME I DONT UNDERSTAND AT ALLLL!!

PLEASE HELP ME I DONT UNDERSTAND AT ALLLL!!

Answers

Answer

its circumtances

Explanation:

because it describes as the number who really thinks that the way is supposed to be, independent and depended variable, is like how much or how many? and the answer on the last one is 81

Answer:

1. If I add fertilizer to my tomato plants will they grow faster and produce more tomatoes?

2. If I add varying amounts of fertilizer to my tomato plants then they will grow faster and produce more tomatoes.

3. The amounts of fertilizer

4. How much faster they grow and how much more is produced.

5. The control is how much they produced in the past.

6. Two variables that should remain constant is the amount of water and sunlight you give the tomato plants.

What is photosynthesis?

Answers

The process in which green plants use sunlight to make their own food.

Photosynthesis is necessary for life on Earth.

Photosynthesis requires sunlight, chlorophyll, water, and carbon dioxide gas.

It is the number one source of oxygen in the atmosphere.

Answer:

ENGLISH:

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.

SPANISH:

La fotosíntesis es un proceso utilizado por las plantas y otros organismos para convertir la energía de la luz en energía química que, a través de la respiración celular, puede liberarse más tarde para alimentar las actividades del organismo.

Hope it helps! ^_^

If a forest experiences a fire which adaptation would most likely help an organism survive

Answers

Answer:

Forest fires rejuvenate the soil and eliminate invasive species, which promote healthier and stronger plant species, according to Steve Green, an adjunct professor for the Tarrant County College Fire Service Training Center in Texas. Many plants have adapted to the occurrence of fires.

Explanation:

Answer:

Ability to burrow underground

Explanation:

thats the answer on edge

Which plant hormone(s) increases leaf size

Answers

Answer:

Gibberellin

Explanation:

I've studied that gibberellin is a plant hormone that promotes cell elongation and division, causing the cells in the leaves to elongate and divide more, this leads to an increase in leaf size.

Hope it helps! :)

The plant hormone that helps in increasing the leaf size is the phytohormone Auxin .

Plants create signalling molecules called plant hormones, which are found in low concentration. All  plant's growth and progression are regulated by plant hormones.

There are basically five types of plant hormones that are considered to be essential for plant growth . They are Auxin , Cytokinin , Gibberellin , ABA , Ethylene .

The Cytokinin and Auxin work together to enhance the development of leaf as both of the phytohormones are responsible to modulate the growth of leaf as well  as controlling the cell cycle . These hormones are considered essential for plant growth and it occur naturally at various concentrations within plants throughout the duration .

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in an experiment to explore how uv light affects tadpole leg formation, which of the following best describes a control treatment? click or tap a choice to answer the question. a group of tadpoles that is exposed to lower than normal amounts of uv light a group of tadpoles that is maintained under normal amounts of uv light a group of tadpoles that is exposed to higher than normal amounts of uv light a group of tadpoles that is deprived of uv light

Answers

A group of tadpoles that is maintained under normal amounts of UV light would best describe a control treatment.

Why is it important to have a control treatment in the experiment exploring the effects of UV light on tadpole leg formation?

Having a control treatment allows researchers to compare the effects of the variable (UV light) on tadpole leg formation to what would normally occur in the absence of the variable, providing a baseline for comparison.

What would be the potential problem if the experiment exploring the effects of UV light on tadpole leg formation did not include a control treatment?

Without a control treatment, it would be difficult to determine whether any observed changes in tadpole leg formation were due to the variable (UV light) or simply due to normal variation in tadpole leg formation. This could lead to inaccurate conclusions and a lack of confidence in the results of the experiment.

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Mention the types of bees​

Answers

Answer:

ok thus very good percent few Mohammad khan

The diagram shows hydrogen bonds between water molecules. Label the diagram to show how hydrogen bonds form. A label may be used once, twice, or not at all.

The diagram shows hydrogen bonds between water molecules. Label the diagram to show how hydrogen bonds

Answers

Answer:

First square = [-]

Second square = [+]

Third square = H

Forth square = O

Fifth square = H

Explanation:

Labeling the diagram to show how hydrogen bonds form between water molecules:

1st box = ( - )2nd box = ( + )3rd box = ( H )4th box = ( O )5th box = ( H )

Water ( \(H_{2}O\) ) is an odorless , tasteless...... chemical compound formed by the bonding of two ( 2 )hydrogen atoms and an oxygen atom. the bonding between the hydrogen and oxygen atoms is carried through covalent bonding ( sharing of electrons between atoms ). indicating how hydrogen bonds.  

Hence to indicate how hydrogen bonds form between water molecules is as shown in the list  above

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The diagram shows hydrogen bonds between water molecules. Label the diagram to show how hydrogen bonds

9.
Which is an environmental factor that affects skin color in humans?
O number of genes inherited
O amount of sunlight absorbed
O number of linked genes
O amount of food consumed

Answers

QUESTION:-

Which is an environmental factor that affects skin color in humans?

O number of genes inherited

O amount of sunlight absorbed

O number of linked genes

O amount of food consumed

ANSWER:-

AMOUNT OF SUNLIGHT ABSORBED.

Number of gene for color of the skin is same in all the human beings and also it's a genetic factors is there will be any absence of gene due to its deletion AMOUNT OF SUNLIGHT it is variable in variable reasons which is a imp factor for the color in variation in earth. In regions near to the equator have high amount of the light so they have darker skin color then the people near the poles as there is less amount of light .Number of gene inherited is also same for each and every individual for single species for human which is 378 gene loci and if there is any variation in number due to any genetics disorder it would be a genetic factor again.amount of food consumed is different for different people with same color in same region as it only depends on the work which is done by the individual in the society for its existence. though it is a environmental factor bit it didn't effect color of the species.

SO ACCORDING TO ABOVE DETAILS WE CAN CONCLUDE (2) AMOUNT OF THE SUNLIGHT IS THE ENVIRONMENTAL FACTOR WHICH IS RESPONSIBLE FOR THE COLOR OF THE SKIN IN HUMANS

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a plastic box contains balls of different colors. among them, 18 balls were chosen. what does the number 18 represent? which is a limitation of the whitaker approach to family therapy? Earth travel around the sun at 67,000 miles per hour. The earth is in motion and stays in motion until some force causes its motion to change. Which of Newtons Laws explains this? witch law is this Law of inertiaLaw of accelerationLaw of action-reaction Using Loop analysis find power released and obsorbedby sources An economy is in long-run macroeconomic equilibrium when each of the following aggregate demand shocks occurs: a. A stock market boom increases the value of stocks held by households. b. Firms come to believe that a recession is likely in the near future. c. Anticipating the possibility of war, the government increases its purchases of military equipment. d. The quantity of money in the economy declines, and interest rates increase. 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Similar to the Sarbanes-Oxley, boards will also be required to assess and report annually on the effectiveness of internal controls and procedures for financial reporting. This is intended to promote corporate transparency and prevent fraud and failure of firms. Negligent directors whose tenure is marked by significant accounting errors or irregularities may also face fines or suspensions. Directors would also be obligated to refund bonuses received up to two years after the pay award is made in the event of corporate collapse or other serious director failings. The Financial Reporting Council would also be replaced by a new audit regulator to be named the Audit Reporting and Governance Authority. The proposed reforms would be applicable to both publicly listed firms and other large privately held (including family-owned) companies, which are assumed to pose considerable risks to the UK economy in the event of their failure. 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Find the area of the square defined by this city block. Please help me with this it's my last question on my homework :) A map scale compares a map distance with?