B10 Principles of homeostasis Flashcards
1
Q
What is homeostasis?
A
It is the maintenance of a constant internal environment in order to maintain optimum conditions for enzyme and cellular function
2
Q
Give examples of conditions maintained by homeostasis in the body
A
Blood glucose concentration
Body temperature
Water Levels
3
Q
What type of responses are used in body control systems?
A
Nervous and chemical
4
Q
What three components do all control systems have?
A
- Receptors
- Coordination Centres
- Effectors
5
Q
What is the function of a receptor?
A
They detect changes on the environment (stimuli)
6
Q
What is the function of a coordination centre?
A
Coordination centres obtain and process information from receptors
7
Q
What is the function of an effector?
A
Effectors (muscles or glands) bring about responses to stimuli
