Human Digestive System

Question 1

Mouth

Answer 1

Mechanically breaks down the Food and mixes it with Saliva.

Question 2

Salivary Glands

Answer 2

Produces an enzyme called Amylase.

Question 3

Oesophagus

Answer 3

Transport food to stomach

Question 4

Stomach

Answer 4

Churns the food and mixes it with hydrochloric acid.

Produces a digestive enzymes called Protease.

Question 5

Small intestine

Answer 5

Continues to digest the food and absorbs the small soluble molecules

Question 6

Features of the Small Intestine

Answer 6

They had a very large surface area due villi (folds in the surface of the small intestine) and microvilli (folds on the surface fold of the villi.)

The small intestines have a good supply as there are lots of capillaries supplying the villi, ensuring the any food molecules absorbed are taken to other tissues.

Question 7

Large Intestine

Answer 7

Where water is absorbed.

Question 8

Rectum

Answer 8

Where faeces are stored.

Question 9

Pancreas

Answer 9

Creates all three enzymes.

Question 10

Liver

Answer 10

Produces bile which speeds up enzyme reaction