Homeostasis and Feedback Flashcards
1
Q
Homeostasis
A
Body’s ability to maintain a stable internal environment despite changes that occur internally or externally
2
Q
Stress
A
- any factor that will disrupt homeostasis, anything that causes stress = stressor
- external stressor - heat, cold, niose, light, exercise
- internal stressor - pain, high blood sugar/pressure, tumor, thoughts
3
Q
Feedback
A
System designed to let the body know about stress and adjust to it.
Some stress we recognize as good and encourage it, other stress not so good, so we work to correct it
4
Q
Components of a feedback system
A
Control center (brain)
Receptor (identifies stress)
Effector
5
Q
Control center (brain)
A
An area that receives info about a monitored condition and determines an appropriate response
6
Q
Receptor (identifies the stress)
A
An area or structure that monitors a controlled condition (recives stress then tells the brain)
7
Q
Effector
A
Structure that produces a response or changes a controlled condition
