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6 Tutorials that teach Positive and Negative Feedback/La Retroalimentacion y el Homeostasis
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Positive and Negative Feedback/La Retroalimentacion y el Homeostasis
Next Generation: HS.LS1.3 NGSS

Positive and Negative Feedback/La Retroalimentacion y el Homeostasis

Description:

This lesson will explain in detail positive feedback as a control mechanism of homeostasis.

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Tutorial

En esta lección se discute la retroalimentación negativa y positiva y cómo mantener la homeostasis en el cuerpo.

Overview

(0:00-0:25) Homeostasis Overview

(0:26-1:10) Negative Feedback

(1:11-3:19) Example of Negative Feedback

(3:20-4:19) Positive Feedback

TERMS TO KNOW
  • Homeostasis

    The maintenance of the body’s internal environment.

  • Negative Feedback

    A mechanism in which a change in the body is detected and then reversed to maintain homeostasis.

  • Positive Feedback

    A mechanism in which a change in the body is detected and then intensified.

  • Sensory Receptor

    Receptors that detect a stimulus or change in the body.

  • Integrator

    The main integrator in the body is the brain. The integrator receives signals from sensory receptors and determines an appropriate response.

  • Effectors

    Glands or muscles that carry out the response as designated by the integrator.