Feedback Loops - Topic 1

Question 1

What is the role of feedback loops?

Answer 1

They allow living organisms to maintain homeostasis

Question 1

How is communication achieved?

Answer 1

Communication is achieved by hormonal (endocrine) and nervous system working together using feedback loops

Question 2

What is negative feedback loop?

Answer 2

Negative feedback occurs when a system’s output acts to reduce or dampen the processes that lead to the output of that system, resulting in less output.
In general, negative feedback loops allow systems to self-stabilize and is a vital control mechanism for the body’s homeostasis.

Question 2

What is positive feedback loop?

Answer 2

In a positive feedback loop, feedback serves to intensify a response until an endpoint is reached.

Question 3

Examples of negative feedback?

Answer 3

body temperature regulation and control of blood glucose

Question 4

Examples of positive feedback?

Answer 4

blood clotting and childbirth.