Homeostasis Flashcards
1
Q
What is homeostasis?
A
Homeostasis is the maintenance of a constant internal environemnt in order to maintain optimum conditions for enzyme and cellular function.
2
Q
Give example of conditions maintained by homeostasis in the body
A
- Blood glucose concentration.
- Body temperature.
- Water levels.
3
Q
What two types of responses are used in body control systems?
A
Nervous and chemical/endocrine.
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
Receptors detect changes in 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 (muslces or glands) bring about responses to stimuli.
