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Answer Key
Grade 1 Science: Human Body Systems Intro
1.
the physical self that lives and moves
2.
eyes
3.
ears
4.
support / shape / protect
5.
move
6.
pumps blood
7.
breathing / taking in air
8.
thinking / controlling body
9.
Answers vary: arms; legs; heart
10.
air / oxygen (age-level: air)
11.
muscles pull; bones support movement
12.
pump blood
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