Homeostasis Flashcards
1
Q
Define homeostasis
A
Regulation of the internal conditions of a cell or organism to maintain optimum conditions for function, in response to internal and external changes
2
Q
What are the 5 core components that all the body systems use to maintain the internal environment
A
Stimulus, receptors, control centre, effectors, response.
3
Q
What are the 2 general stages in negative feedback
A
If the level of something rises, control system reduces it again.
If the level of something falls, control system raise it again
4
Q
What is the impact of failure of homeostasis
A
Failure to regulate body temperature can result in hypothermia and heat stroke
Failure to regulate blood sugar can lead to hypoglycaemia for example in diabetes
