For Kids

Excretory System


03/10/2017 | Human Body

The Digestive and Excretory Systems

The Excretory System removes waste that collects in the body during metabolism. Metabolism is when the body takes in air, food and liquid. The body uses most of these things to grow and make energy, but the body can't use all of it. The leftovers are called waste. These waste products can be toxic if they are not eliminated. Major organs of the excretory system include the kidneys, liver, bladder, lungs and large intestine. Yes, even the lungs - when you exhale, the lungs eliminate gases your body can't use.


Websites, Activities & Printables:

Science in ContextScience in Context: Excretory System is a database you can use in any IndyPL Library Branch or at home. Login using your IndyPL library card number. It will show you biographies, magazines, videos and more about the Excretory System.


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Digestive and Excretory SystemsExcretory SystemKidneysTake a Closer Look at the Bladder

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