
Grade 4 · Science · Building Confidence
Free Human Body & Health worksheet - version 3
Grade 4 human body & health practice with original questions, explanations, and difficulty-matched printable versions. This printable version includes 8 grade-appropriate questions and a separate answer sheet.
Human Body & Health
Grade 4 · Building confidence · 8 questions · Version PG-XJS443-1E99
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
- Which system sends messages through nerves?The nervous system
- What do muscles do?They contract to move body parts
- Which cells carry oxygen?Red blood cells
- Why is a balanced diet useful?It supplies varied nutrients
- What is the immune system's job?Defend against harmful pathogens
- Where does digestion begin?In the mouth
- Why do people need sleep?To help the body and brain recover
- 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.