Positive and Negative Feedback Loops

Front

What is the purpose of a feedback loop?

Back

To make sure the conditions in the body remain stable.

Front

What is the 'effect' of a given stimulus?

Back

Response.

Front

What are the two types of feedback systems that help organisms maintain homeostasis?

Back

Positive and negative.

Front

What is the 'cause' for something to happen?

Back

Stimulus.

Front

What is an example of a negative feedback loop?

Back

Maintaining body temperature.

Front

What is a positive feedback loop?

Back

A process that amplifies a response or increases the output.

Front

How does a negative feedback loop function?

Back

It counteracts changes to maintain stability.

Front

What is homeostasis?

Back

The maintenance of stable internal conditions in an organism.

Front

Can you give an example of a positive feedback loop in nature?

Back

Childbirth, where contractions increase until delivery.

Front

What role do receptors play in feedback loops?

Back

They detect changes in the environment.