Digestive System

Question 1

What is the order of the digestive system?

Answer 1

mouth
esophagus
stomach
small intestine
large intestine

Question 2

What happens in the small intestine?

Answer 2

Most digestion takes place here. Intestine is lined with villi to increase area for absorption. Bile helps break down fat. Nutrients diffuse from small intestine into the bloodstream.

Question 3

What happens in the stomach?

Answer 3

Acids + enzymes break down food chemically. Movement of stomach breaks down food mechanically.

Question 4

What is the esophagus?

Answer 4

Tube that carries food to the stomach.

Question 5

What is peristalsis?

Answer 5

Muscular motion in the esophagus that pushes food down

Question 6

What happens in the mouth?

Answer 6

Food is broken down into smaller pieces by teeth. Saliva contains enzymes that break down starch

Question 7

What happens in the large intestine?

Answer 7

Water is reabsorbed back into the blood stream. Waste is compacted for elimination.

Question 8

What does the digestive system do? (summarized)

Answer 8

Digests nutrients the body need to survive. Helps to separate out the waste components.