Online College Courses for Credit

Next Generation: HS.LS1.3 NGSS



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

See More
Fast, Free College Credit

Developing Effective Teams

Let's Ride
*No strings attached. This college course is 100% free and is worth 1 semester credit.

28 Sophia partners guarantee credit transfer.

286 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 26 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.


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


(0:00-0:19) Homeostasis

(0:20-1:17) Maintaining Homeostasis

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

Terms to Know

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


The maintenance of  a constant internal environment.


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

Negative Feedback

A feedback mechanism that maintains homeostasis by reversing the change.

Sensory Receptors

Receptors located throughout your body that detect a stimulus.

​Positive Feedback

A feedback mechanism that intensifies a detected change.