Read all about the human body, its strong skeleton, flexible muscles, amazing organs, and its digestive, nervous, and reproductive systems.
Then see if you can answer questions, such as: Where are the most active muscles in the body? How many breaths do we take every day? How fast does a sneeze leave the body?.
| As | Where are the most active muscles in the body |
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Crabtree Publishing Company Go quiz yourself on the human body, library binding/izzi howell
