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Human Body & Health

Grade 2 · Stretch challenge · 8 questions · Version PG-SUBWO0-11AV

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1.Which system sends messages through nerves?
2.What do muscles do?
3.Where does digestion begin?
4.What do kidneys remove from blood?
5.Name one job of the skeleton.
6.Which cells carry oxygen?
7.What is the immune system's job?
8.How do vaccines help?

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 2
  1. Which system sends messages through nerves?The nervous system
  2. What do muscles do?They contract to move body parts
  3. Where does digestion begin?In the mouth
  4. What do kidneys remove from blood?Wastes and extra water
  5. Name one job of the skeleton.Support and protect the body
  6. Which cells carry oxygen?Red blood cells
  7. What is the immune system's job?Defend against harmful pathogens
  8. How do vaccines help?They prepare immunity to recognize a pathogen

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.