Homeostasis Flashcards
1
Q
What is homeostasis?
A
The provision of an internal environment that is optimal for cell function at any moment of time
Body temperature has a narrow range 36.2-37.7 C
2
Q
The homeostatic range
A
Concentration of chemicals within the body → blood glucose (monitoring diabetic women is important)
Function of an organ
Number of a particular cell type
3
Q
Variation during times of illness
A
Increase in WBC count
Temperature will rise
Heart Rate
Homeostatic adaptation
4
Q
Feedback mechanism
A
- Detect disturbance to homeostasis
- Assess the magnitude of the disturbance
- Promote an appropriate response to redress homeostasis
5
Q
Components
A
Receptors
Homeostatic control centres e.g: the hypothalamus, the pancreas and body cells
Effectors
