homeostasis Flashcards
1
Q
homeostasis
A
the regulation of the internal conditions of a cell or organism to maintain a stable internal environment for function in response to internal and external changes
2
Q
what does homeostasis maintain?
A
optimal conditions for enzyme action and all cell functions
3
Q
give 3 examples of what homeostasis controls
A
- blood glucose concentration
- body temp
- water levels
4
Q
what do all control systems include + their purpose?
A
- receptors: detect stimuli
- coordination centres: receive and process information from receptors
- effectors: bring about a response
5
Q
2 types of effectors
A
muscles, glands
6
Q
what does the nervous system enable?
A
humans to react to their surroundings and to coordinate their behaviour
