Grade 1Science
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Human Body Practice 1

Explore • Discover • Learn • Have Fun!
1The smallest blood vessels are ___.
2We use our eyes to ___.
3The tube that carries food to the stomach is the ___.
4The lungs exchange oxygen and ___.
5The stomach helps digest ___.
6We use our ears to ___.
7We breathe with our ___.
8We breathe with our ___.
9The organ that filters blood is the ___.
10We use our eyes to ___.
11Bones form the ___.
12The brain and spinal cord form the ___.
13Adults usually have ___ teeth.
14Red blood cells carry ___.
15Muscles help the body ___.
16The skin covers our ___.
17The organ used for thinking is the ___.
18The lungs exchange oxygen and ___.
19Adults usually have ___ teeth.
20The heart pumps ___.
Bonus!   Try these too.
Red blood cells carry ___.
We use our ears to ___.
The brain and spinal cord form the ___.
Muscles help the body ___.
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