
Grade 1 · Science · Challenge
Free Human Body & Health worksheet - version 11
Grade 1 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 1 · Stretch challenge · 8 questions · Version PG-1PBXGNF-1O66
1.How do vaccines help?
2.What do muscles do?
3.Which cells carry oxygen?
4.Which system sends messages through nerves?
5.Why is a balanced diet useful?
6.Why do people need sleep?
7.Name one job of the skeleton.
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 11
- 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
- Which system sends messages through nerves?The nervous system
- Why is a balanced diet useful?It supplies varied nutrients
- Why do people need sleep?To help the body and brain recover
- Name one job of the skeleton.Support and protect the body
- 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.