+ and - Loops in Humans

By: Alyssa Poetschke

Positive Feedbacks

Childbirth and Blood Clotting

Childbirth and blood clotting are examples of positive feedback because the output enhances the original stimulus.

Negative Feedback

The control of Blood Sugar and Human Body Temperature

The control of blood sugar by insulin and human body temperature are good examples of negative feedback because they put the variable back to how it was originally.