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Human Body & Health

Grade 2 · On-level practice · 8 questions · Version PG-K8HU4M-1SLX

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1.Why is a balanced diet useful?
2.Which cells carry oxygen?
3.What do kidneys remove from blood?
4.Name one job of the skeleton.
5.Where does digestion begin?
6.Why do people need sleep?
7.What is the immune system's job?
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 19
  1. Why is a balanced diet useful?It supplies varied nutrients
  2. Which cells carry oxygen?Red blood cells
  3. What do kidneys remove from blood?Wastes and extra water
  4. Name one job of the skeleton.Support and protect the body
  5. Where does digestion begin?In the mouth
  6. Why do people need sleep?To help the body and brain recover
  7. What is the immune system's job?Defend against harmful pathogens
  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.