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Human Body & Health

Grade 2 · Stretch challenge · 8 questions · Version PG-KJ8WEV-11AV

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

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 14
  1. Name one job of the skeleton.Support and protect the body
  2. What do kidneys remove from blood?Wastes and extra water
  3. Which system sends messages through nerves?The nervous system
  4. What do muscles do?They contract to move body parts
  5. Where does digestion begin?In the mouth
  6. How do vaccines help?They prepare immunity to recognize a pathogen
  7. Why do people need sleep?To help the body and brain recover
  8. Why is a balanced diet useful?It supplies varied nutrients

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.