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Human Body & Health

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

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

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 13
  1. What do muscles do?They contract to move body parts
  2. Why do people need sleep?To help the body and brain recover
  3. What protects the brain?The skull
  4. What helps you breathe?The lungs
  5. Name one job of the skeleton.Support and protect the body
  6. Which body part pumps blood?The heart
  7. Which cells carry oxygen?Red blood cells
  8. Which system sends messages through nerves?The nervous system

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.