"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?"-- Provided by publisher.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.