B3 - Organisation And The Digestive System

Question 1

Define the word ‘tissue’

Answer 1

A tissues is a group of specialised cells with similar structure and function working together

Question 2

Define the word ‘organ’

Answer 2

An aggregation (collection) of different tissues working together to carry our specific functions

Question 3

How is the stomach adapted for its role in the digestion of food? Give 2

Answer 3

Muscular tissue to churn food and digestive juices of the stomach together
Glandular tissue to produce digestive juices that break down food

Question 4

What is the role of the liver?

Answer 4

Produces bile

Question 5

What does the stomach do?

Answer 5

Breaks down large insoluble molecules into smaller soluble molecules

Question 6

What does the small intestine do?

Answer 6

Breaks down large insoluble molecules into smaller soluble molecules and absorption

Question 7

What is the function of the large intestine?

Answer 7

Absorbing water from undigested food

Question 8

What are enzymes?

Answer 8

Biological catalysts , usually proteins