feed back mechanisms Flashcards
1
Q
what is the control mechanism
A
to maintain optimum within the body
2
Q
in the control mechanism what triggers a resopnse
A
change from optimum
3
Q
what happens when there is a change from optimum
A
a receptor picks up the change wich leads to the coordinator leading to an effector
4
Q
what does the effector do
A
bring about change
5
Q
what is the coordinator responsible for doing
A
sending instructions
6
Q
what is positive feedback
A
further deviation from the normal
7
Q
give an example of positive feedback
A
hypothermia, breast feeding
8
Q
is positive feedback a good thing
A
no as it deviates from the normal (the optimium for the body)
9
Q
what is negative feedback
A
causes corrective measures to be turned off
