Positive and Negative Feedback Loops

Front

A reaction to a stimulus is a ______________.

Back

response

Front

What is the point of a feedback loop?

Back

To make sure the conditions in the body remain stable

Front

If the environment gets cold, we will often shiver in order to:

Back

increase body temperature

Front

What is homeostasis?

Back

Maintenance of a relatively constant environment

Front

The 'cause' for something to happen is the ______________.

Back

stimulus

Front

What is a positive feedback loop?

Back

A process that amplifies a response or increases the output.

Front

What is a negative feedback loop?

Back

A process that counteracts a change to bring the system back to a set point.

Front

Give an example of a positive feedback loop in the human body.

Back

Childbirth, where contractions increase until delivery.

Front

Give an example of a negative feedback loop in the human body.

Back

Regulation of body temperature through sweating or shivering.

Front

What role do sensors play in feedback loops?

Back

They detect changes in the environment and send information to the control center.