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Human Body & Health

Grade 2 · Stretch challenge · 8 questions · Version PG-H7DO37-11AV

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1.How do vaccines help?
2.What do kidneys remove from blood?
3.Name one job of the skeleton.
4.What is the immune system's job?
5.Where does digestion begin?
6.Why is a balanced diet useful?
7.What do muscles do?
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 18
  1. How do vaccines help?They prepare immunity to recognize a pathogen
  2. What do kidneys remove from blood?Wastes and extra water
  3. Name one job of the skeleton.Support and protect the body
  4. What is the immune system's job?Defend against harmful pathogens
  5. Where does digestion begin?In the mouth
  6. Why is a balanced diet useful?It supplies varied nutrients
  7. What do muscles do?They contract to move body parts
  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.