Grade 3 · Science · On Level
Free Human Body & Health worksheet - version 13
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-UVUHQ3-N3A3
1.How do vaccines help?
2.What do muscles do?
3.Which cells carry oxygen?
4.What do kidneys remove from blood?
5.Why is a balanced diet useful?
6.Name one job of the skeleton.
7.Where does digestion begin?
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 13
- How do vaccines help?They prepare immunity to recognize a pathogen
- What do muscles do?They contract to move body parts
- Which cells carry oxygen?Red blood cells
- What do kidneys remove from blood?Wastes and extra water
- Why is a balanced diet useful?It supplies varied nutrients
- Name one job of the skeleton.Support and protect the body
- Where does digestion begin?In the mouth
- 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.