1. Homeostasis Flashcards
1
Q
Define homeostasis:
A
Maintenance of internal environment despite fluctuations of the external environment
2
Q
Define stimulus:
A
Any change, internal/external, that causes a response
3
Q
Define receptor:
A
A structure that detects a stimulus
4
Q
Define modulator:
A
Control centre that processes info from a receptor and sending info to the effector
5
Q
Define effector:
A
A muscle or gland that carries out a response to a stimulus
6
Q
Define response:
A
A result from an internal/external stimulus
7
Q
What is negative feedback?
A
Feedback that reduces/opposes the original stimulus
8
Q
What is positive feedback?
A
Feedback that reinforces the original stimulus