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Human Body & Health

Grade 2 · On-level practice · 8 questions · Version PG-MQE9DD-1SLX

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1.Why do people need sleep?
2.What do kidneys remove from blood?
3.Name one job of the skeleton.
4.Which system sends messages through nerves?
5.Why is a balanced diet useful?
6.How do vaccines help?
7.What do muscles do?
8.Where does digestion begin?

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 10
  1. Why do people need sleep?To help the body and brain recover
  2. What do kidneys remove from blood?Wastes and extra water
  3. Name one job of the skeleton.Support and protect the body
  4. Which system sends messages through nerves?The nervous system
  5. Why is a balanced diet useful?It supplies varied nutrients
  6. How do vaccines help?They prepare immunity to recognize a pathogen
  7. What do muscles do?They contract to move body parts
  8. Where does digestion begin?In the mouth

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.