homeostasis - negative feedback loop. Flashcards
1
Q
what is homeostasis
A
maintenance of a constant internal environments.
2
Q
what must be controlled in the body and what controls these variables?
A
- concentration of CO2 level in the blood
- body temp (37 degrees)
- blood glucose levels
- water levels in our cells
nervous system and endocrines system control these variables.
3
Q
what part of your brain detects these changes in your body?
A
Hypothalamus
4
Q
what happens once a condition returns back to it’s set point, what happens to the corrective mechanisms
A
they stop working when the levels return back to normal