3.3 digestive system

Question 1

Where does most nutrient absorption occur in the digestive system?

Answer 1

Small intestine

Question 2

What is the main role of the large intestine?

Answer 2

Absorb water and minerals

Question 3

The pancreas produces enzymes that help break down carbohydrates, proteins, and fats. T or F

Answer 3

True

Question 4

What is the role of the small intestine in digestion?

Answer 4

The small intestine breaks down food further using enzymes and absorbs nutrients into the bloodstream through villi.

Question 5

Explain how the pancreas aids in digestion.

Answer 5

The pancreas produces enzymes like amylase, lipase, and protease to break down carbohydrates, fats, and proteins. It also releases bicarbonate to neutralize stomach acid in the small intestine.

Question 6

A person has gallstones blocking the bile duct. How might this affect digestion?

Answer 6

Without bile, fats cannot be properly emulsified, making it harder for the body to digest and absorb fats.

Question 7

Describe how the liver, gallbladder, and pancreas work together to aid digestion.

Answer 7

The liver produces bile to emulsify fats.
The gallbladder stores and releases bile into the small intestine when needed.
The pancreas produces enzymes and bicarbonate to neutralize acid and break down carbohydrates, proteins, and fats in the small intestine.