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Human Body & Health

Grade 1 · On-level practice · 8 questions · Version PG-1WCQC0N-1I9W

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1.What do muscles do?
2.Where does digestion begin?
3.Why do people need sleep?
4.Which system sends messages through nerves?
5.What helps you breathe?
6.Which body part pumps blood?
7.Name one job of the skeleton.
8.Which cells carry oxygen?

Answers and teaching notes

Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.

Show answers for version 19
  1. What do muscles do?They contract to move body parts
  2. Where does digestion begin?In the mouth
  3. Why do people need sleep?To help the body and brain recover
  4. Which system sends messages through nerves?The nervous system
  5. What helps you breathe?The lungs
  6. Which body part pumps blood?The heart
  7. Name one job of the skeleton.Support and protect the body
  8. Which cells carry oxygen?Red blood cells

Worked example

Connect a structure to its function and explain how body systems work together.

Common mistake

Naming an organ without explaining its system role.

Helpful hint

Trace what enters, changes, and leaves the system.