Section 28.2 - Mechanisms of Homeostasis

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5 Terms

1

What is feedback?

Information from sensors that allows a control center to compare current conditions to a set of ideal values

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2

What happens in a feedback loop?

information moves continuously among sensors, a control center, and a target

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3

What do feedback loops do?

They regulate most functions in the body

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4

What in negative feedback?

A control system that maintains homeostasis by counteracting, or reversing change to return conditions to their set points. They help keep the internal environment stable

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5

What is positive feedback?

A control center that uses information from sensors to increase the rate of change away from the set points. It is important whenever rapid change is needed

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