Human Digestive System Review

Front

What enzyme is responsible for the digestion of fats in the stomach?

Back

Lipase is the enzyme responsible for the digestion of fats in the stomach.

Front

What is the main function of the digestive system?

Back

The main function of the digestive system is to break down food to be absorbed.

Front

What happens to pepsin as it enters the small intestine?

Back

Pepsin becomes inactive as it enters the small intestine due to the higher pH.

Front

Which digestive organ is responsible for most chemical digestion and absorption of food?

Back

The small intestine is where most chemical digestion and absorption of food takes place.

Front

What role do enzymes play in digestion?

Back

Enzymes assure that digestion occurs within hours instead of days.

Front

What is the pH level of the stomach and why is it important?

Back

The stomach has a pH of 2 due to hydrochloric acid (HCl), which is important for activating digestive enzymes like pepsin.

Front

What is the function of hydrochloric acid in the stomach?

Back

Hydrochloric acid (HCl) helps to digest food and activates the enzyme pepsin.

Front

What is the role of the pancreas in digestion?

Back

The pancreas produces digestive enzymes and bicarbonate to neutralize stomach acid in the small intestine.

Front

What is peristalsis?

Back

Peristalsis is the wave-like muscle contractions that move food through the digestive tract.

Front

What is the function of bile in digestion?

Back

Bile helps to emulsify fats, making them easier to digest.