PencilGo

Human Body & Health

Grade 4 · Building confidence · 8 questions · Version PG-XJS443-1E99

Free printable
1.Which system sends messages through nerves?
2.What do muscles do?
3.Which cells carry oxygen?
4.Why is a balanced diet useful?
5.What is the immune system's job?
6.Where does digestion begin?
7.Why do people need sleep?
8.What do kidneys remove from blood?

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 3
  1. Which system sends messages through nerves?The nervous system
  2. What do muscles do?They contract to move body parts
  3. Which cells carry oxygen?Red blood cells
  4. Why is a balanced diet useful?It supplies varied nutrients
  5. What is the immune system's job?Defend against harmful pathogens
  6. Where does digestion begin?In the mouth
  7. Why do people need sleep?To help the body and brain recover
  8. What do kidneys remove from blood?Wastes and extra water

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.