The Excretory System: Grade 8 Science
Explore the human excretory system with this worksheet, covering its main organs, functions, and the process of waste removal.
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The Excretory System
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Read each question carefully and answer to the best of your ability. Refer to the diagram of the human excretory system as needed.
The Human Excretory System
1. What is the primary function of the excretory system?
Digesting food
Removing waste products
Circulating blood
Producing hormones
2. Which organ filters blood to produce urine?
Liver
Lungs
Kidneys
Stomach
3. The two bean-shaped organs that filter waste from the blood are the .
4. Urine leaves the kidneys through tubes called and is stored in the .
5. The skin is also considered an excretory organ because it removes excess water and salts through sweat.
True
False
6. Briefly describe the path of urine from its formation in the kidneys until it leaves the body.
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