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 & Databases:
KidsHealth: Your Kidneys
DK Find Out: Your Water Works
Biology in Motion: Urine Concentration
Biology for Kids: Excretion is Not Elimination
Printable: the Urinary System
Video: Crash Course Excretory System From Your Heart to the Toilet
Science 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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