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Human Body & Health

Grade 2 · On-level practice · 8 questions · Version PG-5T8OKU-1SLX

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