Biology
Human Physiology and Anatomy
2,235 Questions
Human physiology and anatomy explore the structural organization and biological functions of the human body and its systems. Questions focus on the primary roles of organs, hormones, cellular components, and developmental processes. These fundamentals are integral to medical entrance tests and general science sections.
Organ functionsHormone functionsImmune system rolesDigestive systemCellular functions
Human Physiology and Anatomy Questions
What is the function of saliva in the mouth?
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To moisten food
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To break down carbohydrates
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To kill bacteria
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All of the above
D
Correct answer
Explanation
Saliva has several functions in the mouth, including moistening food, breaking down carbohydrates, and killing bacteria.
What is the function of the stomach?
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To break down food into smaller pieces
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To absorb nutrients from food
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To store food until it can be digested
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All of the above
D
Correct answer
Explanation
The stomach has several functions, including breaking down food into smaller pieces, absorbing nutrients from food, and storing food until it can be digested.
What is the primary function of the small intestine?
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To absorb nutrients from food
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To produce enzymes that break down food
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To store food until it can be digested
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To eliminate waste products from the body
A
Correct answer
Explanation
The primary function of the small intestine is to absorb nutrients from food.
What is the function of the large intestine?
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To absorb water from food
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To produce enzymes that break down food
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To store food until it can be digested
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To eliminate waste products from the body
A
Correct answer
Explanation
The primary function of the large intestine is to absorb water from food.
What is the role of enzymes in the digestive system?
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To break down food into smaller molecules
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To absorb nutrients from food
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To store food until it can be digested
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To eliminate waste products from the body
A
Correct answer
Explanation
Enzymes play a crucial role in the digestive system by breaking down food into smaller molecules that can be absorbed by the body.
What is the role of bile in the digestive system?
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To break down fats
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To absorb nutrients from food
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To store food until it can be digested
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To eliminate waste products from the body
A
Correct answer
Explanation
Bile is a fluid produced by the liver and stored in the gallbladder. It helps to break down fats in the small intestine.
What is the role of the pancreas in the digestive system?
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To produce enzymes that break down food
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To absorb nutrients from food
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To store food until it can be digested
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To eliminate waste products from the body
A
Correct answer
Explanation
The pancreas produces enzymes that help to break down carbohydrates, proteins, and fats in the small intestine.
What is the role of the liver in the digestive system?
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To produce bile
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To absorb nutrients from food
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To store food until it can be digested
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To eliminate waste products from the body
A
Correct answer
Explanation
The liver produces bile, which helps to break down fats in the small intestine.
What is the role of the gallbladder in the digestive system?
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To produce bile
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To store bile
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To absorb nutrients from food
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To eliminate waste products from the body
B
Correct answer
Explanation
The gallbladder stores bile produced by the liver until it is needed to break down fats in the small intestine.
What is the role of the appendix in the digestive system?
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To produce enzymes that break down food
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To absorb nutrients from food
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To store food until it can be digested
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To eliminate waste products from the body
Correct answer
Explanation
The appendix does not have a known function in the digestive system.
What is the role of the colon in the digestive system?
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To absorb water from food
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To produce enzymes that break down food
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To store food until it can be digested
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To eliminate waste products from the body
A
Correct answer
Explanation
The colon absorbs water from food and stores waste products until they can be eliminated from the body.
What is the role of the rectum in the digestive system?
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To store waste products until they can be eliminated
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To produce enzymes that break down food
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To absorb nutrients from food
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To eliminate waste products from the body
A
Correct answer
Explanation
The rectum stores waste products until they can be eliminated from the body.
What is the primary function of thyroid hormones during pregnancy?
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Regulate metabolism
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Promote fetal brain development
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Stimulate bone growth
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Maintain electrolyte balance
B
Correct answer
Explanation
Thyroid hormones play a crucial role in promoting fetal brain development, particularly during the early stages of pregnancy.
What is the primary role of insulin during pregnancy?
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Regulate blood sugar levels
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Promote fetal growth
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Stimulate milk production
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Maintain electrolyte balance
A
Correct answer
Explanation
Insulin plays a crucial role in regulating blood sugar levels during pregnancy, ensuring adequate glucose supply to both the mother and the developing fetus.
Which of the following is the primary function of skeletal muscle?
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Generating force and movement
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Storing energy
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Producing heat
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Transporting oxygen and nutrients
A
Correct answer
Explanation
Skeletal muscle is responsible for generating the force necessary for movement and maintaining posture.