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Flashcards in Synapses Deck (17)
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0
Q

What happens when a receptor is stimulated?

A

It sends a signal to the central nervous system

1
Q

Explain the synapse process

A

Electrical impulses travels along the axon wi

2
Q

What is a reflex action

A

When a very quick response is needed, one that does not involve the brain.

3
Q

What happens in a reflex action

A
  1. receptor detects a stimulus
  2. sensory neurone sends signal to relay neurone
  3. motor neurone sends signal to effector
  4. Effector produces response
4
Q

what is a synapse

A

A gap between nerve endings

5
Q

A motor neurone transmits…..

A

A signal from the central nervous system to an effector such as a muscle

6
Q

Name the 6 drugs

A

Stimulants,depressants, painkillers,recreational drugs and hallucinogens

7
Q

What does smoking cause in pregnancies

A

Miscarriage premature birth

Weight loss at birth

8
Q

Sum up nicotine

A

It is an addictive substance in tobacco it creates a dependancy so smokers become addictive

9
Q

What does carbon monoxide do in tobacco

A

Reduces the ability of the blood to carry oxygen

strain on circulatory system

10
Q

What does tar cause

A

Cancer

11
Q

What is alcohol in wine spirits and beers is called

A

Ethanol

12
Q

Short term effects of alcohol

A

Tiredness, impaired judgment balance and muscle control, blurred vision and slurred speech

13
Q

Long term effects from drinking alcohols

A

Damage to liver and brain

Liver removes alcohol from blood stream because it’s a toxic chemical

14
Q

A successful transplant has to have

A

Similar tissue
Similar ages
Locations

15
Q

How does carbon monoxide damage body

A

Reduces body’s ability to carry oxygen

16
Q

What is carcinogen

A

Chemical that causes cancer