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Homeostasis
Next Generation: HS.LS1.3 NGSS

Homeostasis

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Description:

This lesson will examine various homeostatic controls that allow the body to maintain a constant internal environment.

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Tutorial

Hoy vamos a discutir cómo la homeostasis permite a su cuerpo mantener un ambiente interno constante.

Overview

(0:00-0:19) Homeostasis

(0:20-1:17) Maintaining Homeostasis

(1:18-5:02) Sensors, Integrators and Effectors 

TERMS TO KNOW
  • ​Positive Feedback

    A feedback mechanism that intensifies a detected change.

  • Negative Feedback

    A feedback mechanism that maintains homeostasis by reversing the change.

  • Effectors

    Muscles or glands that carry out the response designated by the integrator.

  • Integrator

    Your brain is the integrator that senses a stimulus and determines an appropriate response.

  • Sensory Receptors

    Receptors located throughout your body that detect a stimulus.

  • Homeostasis

    The maintenance of  a constant internal environment.