Biology-disease and the nervous system Flashcards Preview

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Flashcards in Biology-disease and the nervous system Deck (16)
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1

How is our skin a natural defence

Our skin covers our body and stops microbes getting in

2

What substance in your nose traps microbes that are sweet away by mucus

Cilea

3

What happens if microbes do get in your body

Microbes can engulf and digest them

4

Why do some white blood cells make antibodies

To help other white blood cells to destroy the microbes

5

What is a disadvantage of an antibody

Each anti body has to be specially made to attach to a microbe so the take around 10 days to make

6

What does immune to a disease mean

You cannot catch or have that disease

7

Why should you only get chickenpox once

You should only get chickenpox once because your body has created antibodies to fight it the first time so the antibodies will still be in your system so you van fight the disease

8

Why do you have antibiotics to make you better

Antibiotics help to harm the bacteria in your body

9

True or false

Your body has no natural defences against disease

False your body does have natural defences to protect you from disease such as chemicals in your tears and stomach kill microbes

10

Name the two main parts of the Central Nervous System

Brain
Spinal cord

11

Name the two main parts of the peripheral nervous system

Nerve fibres
Detects changes in stimuli

12

What do your eyes detect

Light

13

How is sound detected

By your ears

14

What does your skin detect

Presume, heat, pain, texture

15

What does your nose smell

Chemicals in the air

16

What does your tongue taste

Chemicals in food