The Excretory System Lesson 5

What does the excretory system do?

Waste leaves the body as:

- feces: through digestive system

- carbon dioxide: by respiratory system

- urine: urinary system

- sweat: integumentary system

It extracts the waste in the body.

The urinary system is made up of the kidneys, the bladder, and the urinary tract.

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The kidneys are an organ that help filter out the waste and blood. Urine is liquid waste.