Positive Feedback Loops

Created by: chloebrown2399
Created on: 22-04-17 22:24

What is the definition of a Positive Feedback Loop?

'Positive feedback is a cyclic process that can continue to amplify your body's response to a stimulus until a negative feedback response takes over.' (Andrew Rader Studios, undated)

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Name two examples of Positive Feedback Loops?

Childbirth and Blood Clotting

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Why is childbirth related to Positive Feedback Loops?

'During labor, a hormone called oxytocin is released that intensifies and speeds up contractions. The increase in contractions causes more oxytocin to be released and the cycle goes on until the baby is born.' (Lutz, 2013)

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Why is blood clotting related to Positive Feedback Loops?

'Once a vessel is damaged, platelets start to cling to the injured site and release chemicals that attract more platelets. The platelets continue to pile up and release chemicals until a clot is formed.' (Lutz, 2013)

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Do Positive Feedback loops enhance or inhibit the original stimulus?

Positive Feedback Loops enhance the original stimulus, whereas Negative Feedback Loops inhibit the original stimulus.

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Other cards in this set

Card 2

Front

Name two examples of Positive Feedback Loops?

Back

Childbirth and Blood Clotting

Card 3

Front

Why is childbirth related to Positive Feedback Loops?

Back

Card 4

Front

Why is blood clotting related to Positive Feedback Loops?

Back

Card 5

Front

Do Positive Feedback loops enhance or inhibit the original stimulus?

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Positive Feedback Loops