Grade 3 · Science · On Level
Free Human Body & Health worksheet - version 16
Grade 3 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 3 · On-level practice · 8 questions · Version PG-VPTAT0-N3A3
1.Which cells carry oxygen?
2.What do kidneys remove from blood?
3.Why do people need sleep?
4.Where does digestion begin?
5.Why is a balanced diet useful?
6.What do muscles do?
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 16
- Which cells carry oxygen?Red blood cells
- What do kidneys remove from blood?Wastes and extra water
- Why do people need sleep?To help the body and brain recover
- Where does digestion begin?In the mouth
- Why is a balanced diet useful?It supplies varied nutrients
- What do muscles do?They contract to move body parts
- What is the immune system's job?Defend against harmful pathogens
- 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.