(Wk1) Homeostasis Flashcards
1
Q
What is Homeostasis?
A
The ability of the body to maintain a condition of dynamic equilibrium within the internal environment when dealing with external changes.
2
Q
What is negative feedback?
A
Is when a variable triggers a counter-acting response, in order to come back to some set point.
3
Q
What is positive feedback?
A
Is when instead of getting a counter-active response to some variable, you instead intensify the variable. (e.g. more, more, more; instead of “let’s counteract this”).
For example, childbirth and contractions.