Topic 2 - Responding To Change: Hormones And Nerves Flashcards
1
Q
What is a synapse?
A
A synapse is the connection between two neurones.
2
Q
What is the function of an axon?
A
The axon of a neurone carries the electrical impulses from one end of a neurone to another.
3
Q
How does a nerve impulse pass across a synapse?
A
The nerve impulse is transferred by neurotransmitters which diffuse across the gap. The neurotransmitters then set off a new electrical signal in the next neurone.
4
Q
How do hormones travel around the body.
A
Glands secrete hormones directly into the blood. The hormones are carried in the blood to target organs.
5
Q
What is a hormone?
A
A hormone is a chemical messenger which travels in the blood to target organs.
