homeostasis Flashcards
1
Q
what is homeostasis?
A
Homeostasis is the regulation of internal conditions to maintain optimal conditions for enzyme and cellular function.
2
Q
give examples of conditions maintained by homeostasis
A
- blood glucose concentration
- body temperature
- water levels
3
Q
what 2 types of responses are used in body control systems?
A
nervous and chemical
4
Q
what 3 components do all control systems have?
A
- receptors
- coordination centres
- effectors
5
Q
what is the function of a receptor?
A
receptors detect changes in the environment (stimuli)
6
Q
what is the function of the coordination centre?
A
obtain and process information from receptors and coordinate an appropriate response
7
Q
what is the function of an effector?
A
effectors (muscles or glands) bring about responses to stimuli
