Intake and Output in Humans
A Grade 4 science worksheet exploring the human digestive and excretory systems, focusing on how our bodies take in nutrients and eliminate waste.
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Intake and Output in Humans
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Read each question carefully and answer to the best of your ability. Some questions refer to the diagram of the human digestive system below.
The Human Digestive System
1. What is the process of taking food into the body called?
Digestion
Excretion
Ingestion
Circulation
2. Which organ is responsible for pumping blood throughout the body?
Lungs
Stomach
Heart
Brain
3. The system is responsible for breaking down food into nutrients.
4. Waste products are removed from the body by the system.
5. Our bodies absorb all the food we eat, and nothing is wasted.
True
False
6. Water is an important intake for our bodies to function properly.
True
False
7. Name two things that our bodies take in (intake).
8. Name two things that our bodies get rid of (output).