Digestive System

What is the primary function of the peristaltic movement in the esophagus?

• To absorb nutrients from food.

• To mix food with digestive enzymes.

• To push food towards the stomach.

• To break down food mechanically.

Which enzyme in the stomach is responsible for breaking down proteins into peptones?

• Renin

• Amylase

• Pepsin

• Lipase

Are you enjoying the video lesson?

• Yes

• No

Which part of the small intestine is primarily responsible for the absorption of food nutrients into the bloodstream?

• Duodenum

• Jejunum

• Ileum

• Colon

What is the role of Escherichia coli (E. coli) bacteria in the large intestine?

• To produce digestive enzymes.

• To absorb water and minerals.

• To help in the decomposition of food residue.

• To break down fats.