What is homeostasis?
The maintenance of a constant internal environment in order to maintain optimum conditions for enzyme and cellular function.
Give examples of conditions maintained by homeostasis in the body.
Blood glucose concentration
Body temperature
Water levels
What two types of responses are used in body control systems?
nervous and chemical
What three components do all control systems have?
Receptors
Coordination centers
Effectors
What is the function of a receptor?
Receptors detect changes in the environment (stimuli).
What is the function of a coordination center?
They obtain and process information from receptors.
What is the function of an effector?
(Muscles or glands) bring about responses to stimuli.