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The small intestine is responsible for the digestion of food only.

False

What is the main function of the small intestine?

Absorption of nutrients (correct)

Secretion of enzymes

Digestion of proteins only

Mechanical breakdown of food

What are the three sections of the small intestine?

Duodenum, Jejunum, Ileum

The process of moving food through the intestines is known as __________.

peristalsis Signup and view all the answers

Which mechanism is primarily responsible for nutrient absorption in the small intestine?

All of the above Signup and view all the answers

Match the following small intestine structures with their functions:

Villi = Increase surface area for absorption Microvilli = Further increase absorption surface area Crypts of Lieberkühn = Secrete intestinal juices Peyer's patches = Immune monitoring Signup and view all the answers

What role does bile play in digestion?

Emulsifies fats Signup and view all the answers

Absorption in the small intestine occurs only in the duodenum.

False Signup and view all the answers

Which vitamin is essential for good vision and found in green peppers and carrots?

Retinole (VA) Signup and view all the answers

Water makes up about 40%-50% of the human body.

False Signup and view all the answers

What deficiency disease is caused by a lack of Vitamin C?

Scurvy Signup and view all the answers

__________ is a disease associated with a deficiency of Vitamin B1.

Beriberi Signup and view all the answers

What is one of the main functions of water in the human body?

It regulates body temperature. Signup and view all the answers

Match the following vitamins with their deficiency diseases:

Retinole (VA) = Poor sight, poor growth Niacin (VB3) = Pellagra Vitamin D (VD) = Rickets Riboflavin (VB2) = Slow growth, eye disease Signup and view all the answers

An enzyme can catalyze multiple reactions.

False Signup and view all the answers

How does the body achieve the digestion of food?

Through physical (mechanical) and chemical processes. Signup and view all the answers

What is the primary function of bile?

To emulsify fats Signup and view all the answers

The small intestine is approximately 10-12 meters long.

False Signup and view all the answers

What enzyme is responsible for breaking down lactose in the small intestine?

lactase Signup and view all the answers

The finger-like projections in the small intestine that absorb nutrients are called ______.

villi Signup and view all the answers

Which part of the small intestine is primarily responsible for the completion of digestion?

Ileum Signup and view all the answers

Match the following enzymes with their functions:

Erepsin = Peptides to amino acids Maltase = Maltose to glucose Lactase = Lactose to glucose and galactose Sucrase = Sucrose to glucose and fructose Signup and view all the answers

Absorption of fatty acids occurs directly into the blood supply from the small intestine.

False Signup and view all the answers

What is the role of the pancreas in digestion?

Secretes pancreatic juice Signup and view all the answers

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Questions and Answers

The small intestine is responsible for the digestion of food only.

What is the main function of the small intestine?

What are the three sections of the small intestine?

The process of moving food through the intestines is known as __________.

Which mechanism is primarily responsible for nutrient absorption in the small intestine?

Match the following small intestine structures with their functions:

What role does bile play in digestion?

Absorption in the small intestine occurs only in the duodenum.

Which vitamin is essential for good vision and found in green peppers and carrots?

Water makes up about 40%-50% of the human body.

What deficiency disease is caused by a lack of Vitamin C?

__________ is a disease associated with a deficiency of Vitamin B1.

What is one of the main functions of water in the human body?

Match the following vitamins with their deficiency diseases:

An enzyme can catalyze multiple reactions.

How does the body achieve the digestion of food?

What is the primary function of bile?

The small intestine is approximately 10-12 meters long.

What enzyme is responsible for breaking down lactose in the small intestine?

The finger-like projections in the small intestine that absorb nutrients are called ______.

Which part of the small intestine is primarily responsible for the completion of digestion?

Match the following enzymes with their functions:

Absorption of fatty acids occurs directly into the blood supply from the small intestine.

What is the role of the pancreas in digestion?

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