The Digestive System

Question 1

Mouth

Answer 1

Physical digestion from the teeth and chemical digestion by enzymes in saliva

Question 2

Oesophagus

Answer 2

A tube that carries food from the mouth to the stomach by muscular contraction called ‘penstalis’

Question 3

Stomach

Answer 3

Muscular sac lined with mucus. Food mixed with hydrochloric acid and digestive enzymes and churned (mixed up).

Question 4

Liver

Answer 4

Large organ that produces ‘bile’ that neutralises stomach acid and helps break down fats into tiny droplets.

Question 5

Gall bladder

Answer 5

Small sac below liver the liver that stores and releases bile into the small intestine.

Question 6

Bile duct

Answer 6

Tube-like structure which carries bile from the gallbladder to the small intestine

Question 7

Pancreas

Answer 7

A gland below the stomach that produces digestive enzymes that help break down the food.

Question 8

Small intestine

Answer 8

Long thin tube that food moves through after the stomach. Digested food is absorbed from small intestine into bloodstream. More enzymes produced have to breakdown food further. Blood then transports the nutrients to body cells.

Question 9

Large intestine

Answer 9

Water is reabsorbed back into the bloodstream from undigested food. Passes undigested food to the rectum.

Question 10

Rectum

Answer 10

The lower part of the large intestine, where the undigested food called faeces (poo) is stored before it leaves the body.

Question 11

Anus

Answer 11

The muscular opening at the end of the digestive system from which faeces (poo) leaves the body.