Biology Unit 1: Keeping Healthy

?
Why do you need a varied diet?
To keep the body healthy
1 of 8
What is metabolic rate?
The rate of chemical reactions in your cells
2 of 8
What are pathogens?
Microorganisms such as bacteria and viruses that cause infectious diseases.
3 of 8
What is bacteria?
Single-celled living organisms.
4 of 8
How does bacteria cause disease?
They split into two, reproduce and produce toxins, affecting your body. Sometime they can directly damage your cells.
5 of 8
How do viruses cause disease?
The take over the cells of your body as they reproduce, damaging and destroying cells.
6 of 8
What are the physical defence mechanisms against pathogens? (Name three)
Skin, Scab, and Mucus
7 of 8
Name and explain one way a W.B.C protects us from disease.
Ingesting microorganisms
8 of 8

Other cards in this set

Card 2

Front

What is metabolic rate?

Back

The rate of chemical reactions in your cells

Card 3

Front

What are pathogens?

Back

Preview of the front of card 3

Card 4

Front

What is bacteria?

Back

Preview of the front of card 4

Card 5

Front

How does bacteria cause disease?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Keeping Healthy resources »