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Principles of physiology

This course is a part of AP®︎ Biology, a 38-course Topic series from Khan Academy.

How is your body organized? How do your organ systems work together to keep you running? What keeps your blood at the right pH or your body at the right temperature? Learn more about tissues, organs, and organ systems and the control mechanisms that keep internal conditions steady in humans and other animals.

This course contains 2 segments:

Body structure & homeostasis

What makes a tissue different from an organ? How does your stomach collaborate with your small intestine to make sure you get nutrients? And most important, how do the systems of your body keep things like your temperature and blood pH from getting too high or too low? Keep reading and watching to find answers to all of these questions!

Metabolism & thermoregulation

You may think of metabolism as something that humans have (such as a fast or a slow metabolism). But metabolism is just the sum total of chemical reactions that occur in an organism's body, and all organisms must metabolize to keep their bodies running. Learn more about metabolism and how it's connected to thermoregulation (temperature regulation) in different species of animals.

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Length 2 segments
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Language English
Subjects Science
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Khan Academy

Rating Not enough ratings
Length 2 segments
Starts On Demand (Start anytime)
Cost Free
From Khan Academy
Download Videos On all desktop and mobile devices
Language English
Subjects Science
Tags Science

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