Body

Question 1

Describe three ways your skin reduces heat loss when you are cold

Answer 1

Hair pulled upright by erector muscle
More blood flows through deep blood vessels
No sweat

Question 2

What does shivering do?

Answer 2

Produces heat as:

• the muscles contract
• producing heat
• warming body

Question 3

Describe the term ‘nerves’

Answer 3

A bundle of cells

Question 4

What is located in the CNS?

Answer 4

The spinal cord and the brain. These two organs form the main part of the nervous system.

Question 5

Describe three ways your skin helps you to cool down when you are hot

Answer 5

Sweat gland releases water
Hair lies flat and relaxed
Sweat gland releases blood

Question 6

What are ‘Antibiotics’ used for?

Answer 6

To treat infections

Question 7

What are ‘Antibiotics’?

Answer 7

Drugs that kill bacteria

Question 8

What are Antiseptics used for?

Answer 8

They are used outside the body. They can be used for cleaning surfaces, to kill bacteria

Question 9

Explain how the sweat gland helps to cool the body

Answer 9

Releases water onto surface of skin which then the sweat evaporates