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Human Body & Health

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

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

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 10
  1. Where does digestion begin?In the mouth
  2. What do kidneys remove from blood?Wastes and extra water
  3. What is the immune system's job?Defend against harmful pathogens
  4. Why do people need sleep?To help the body and brain recover
  5. Name one job of the skeleton.Support and protect the body
  6. How do vaccines help?They prepare immunity to recognize a pathogen
  7. Which system sends messages through nerves?The nervous system
  8. Which cells carry oxygen?Red blood cells

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.