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Human Body & Health

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

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

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 11
  1. What do kidneys remove from blood?Wastes and extra water
  2. How do vaccines help?They prepare immunity to recognize a pathogen
  3. What is the immune system's job?Defend against harmful pathogens
  4. What do muscles do?They contract to move body parts
  5. Why do people need sleep?To help the body and brain recover
  6. Why is a balanced diet useful?It supplies varied nutrients
  7. Which system sends messages through nerves?The nervous system
  8. Name one job of the skeleton.Support and protect the body

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.