Grade 1 · Science · Challenge
Free Human Body & Health worksheet - version 12
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-1PLX2CE-1O66
1.What do muscles do?
2.Why do people need sleep?
3.What is the immune system's job?
4.Which system sends messages through nerves?
5.Where does digestion begin?
6.Name one job of the skeleton.
7.Which cells carry oxygen?
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 12
- What do muscles do?They contract to move body parts
- Why do people need sleep?To help the body and brain recover
- What is the immune system's job?Defend against harmful pathogens
- Which system sends messages through nerves?The nervous system
- Where does digestion begin?In the mouth
- Name one job of the skeleton.Support and protect the body
- Which cells carry oxygen?Red blood cells
- 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.