L2 Homeostasis

Question 1

As defined by Claude Bernard

Answer 1

Constancy of the internal mellieu

Question 2

3 Components of feedback loop:

Answer 2

1. Receptor
2. Control Centor
3. Effector

Question 3

Homeostasis being the golden goal of organs leads to

Answer 3

Concept of Regulation

Question 4

Describe the singnals of the Negative Feedback loop

Answer 4

The feedback signals from control system –> effect opposite to the action of the control system

Question 5

What is autoregulation ?

Answer 5

When cells respond to stimulus indep of nerves and hormones

Question 6

Differentiate btw Endocrine sys and Nervous sys ad control systems

Answer 6

Endocrine:
-requires a reciever
Broadcasts hormonal messages
Nervous:
-point to point effect
electrical and fast

Question 7

Give an example of positive feedback loop

Answer 7

Uterus contraction during childbirth

Question 8

Desctibe the signals of the positive feedback loop

Answer 8

Feedback loop signals of control sys gives an effect that increases the action of the control system.