The Endocrine System Flashcards
1
Q
What does the endocrine system involve?
A
Involves glands and hormones
2
Q
When are hormones secreated
A
Hormones are secreated when a gland is stimulated
3
Q
What is a gland?
A
A group of cells that are specialised to secreate a useful substance
4
Q
What are hormones?
A
Chemical messengers
5
Q
Where do hormones diffuse into?
A
Directly into the blood and then taken around the body into circulatory system
6
Q
What is fight or flight?
A
When the body is threatened it responds by preparing for action
7
Q
How does fight or flight affect the body?
A
Blood pressure and heart rate increase Digestion decreases Muscles become tense Breathing rate increases Salvilation decreases
