Grade 4 · Science · On Level
Free Human Body & Health worksheet - version 19
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 · On-level practice · 8 questions · Version PG-1C8LVI8-V1L1
1.What carries oxygen from lungs to cells?
2.Why does heart rate rise during exercise?
3.What is the immune system's job?
4.How do vaccines help?
5.Which system sends messages through nerves?
6.Which cells carry oxygen?
7.Why is a balanced diet useful?
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 19
- What carries oxygen from lungs to cells?The circulatory system
- Why does heart rate rise during exercise?Muscles need oxygen and nutrients faster
- What is the immune system's job?Defend against harmful pathogens
- How do vaccines help?They prepare immunity to recognize a pathogen
- Which system sends messages through nerves?The nervous system
- Which cells carry oxygen?Red blood cells
- Why is a balanced diet useful?It supplies varied nutrients
- 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.