B3.2 - The Human Digestive System

Question 1

What is the digestive system and example of?

Answer 1

An organ system

Question 2

Function of mouth

Answer 2

Chops and grinds food into smaller pieces (enzymes from the saliva is released and breaks down even more). Saliva is produced by the salivary glands.

Question 3

Function of Gullet (oesophagus)

Answer 3

Muscular tube that contracts to force food down

Question 4

Function of stomach

Answer 4

Muscular organ where digestion continues. Acid is used (most likely pH2) to digest the food.

Question 5

Function of Pancreas

Answer 5

Produces digestive enzymes

Question 6

Function of liver

Answer 6

Produces bile. Bile breaks down fats in to fatty acids and glycerol.

Question 7

Function of gall bladder

Answer 7

Stores bile before releasing it into the small intestine

Question 8

Function of small intestine - iduodenum

Answer 8

Where food is mixed with digestive enzymes and bile

Question 9

Function of Small intestine - ileum

Answer 9

Where digested food is absorbed into the blood and lymph

Question 10

Function of Large intestine - colon

Answer 10

Where water is reabsorbed

Question 11

Function of Large intestine - rectum

Answer 11

Where faeces are stored

Question 12

Function of rectum

Answer 12

Holds poo

Question 13

Function of anus

Answer 13

Where poo is released