Grade 1 · Science · Challenge
Free Human Body & Health worksheet - version 20
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-LNTYK3-1O66
1.What do kidneys remove from blood?
2.What is the immune system's job?
3.How do vaccines help?
4.Why do people need sleep?
5.Which system sends messages through nerves?
6.What do muscles do?
7.Why is a balanced diet useful?
8.Which cells carry oxygen?
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 20
- What do kidneys remove from blood?Wastes and extra water
- What is the immune system's job?Defend against harmful pathogens
- How do vaccines help?They prepare immunity to recognize a pathogen
- Why do people need sleep?To help the body and brain recover
- Which system sends messages through nerves?The nervous system
- What do muscles do?They contract to move body parts
- Why is a balanced diet useful?It supplies varied nutrients
- Which cells carry oxygen?Red blood cells
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.