This document discusses bones and muscles in the human body. It states that the typical human has approximately 642 skeletal muscles which are arranged in 320 paired muscles. It also notes that when fully grown, the human skeleton contains 205 bones that make up the rigid framework of the body.

1. BONES
AND
MUSCLES
http://youtu.be/uxBe-BgmNTs

2. THE MUSCLES
There are approximately
642 skeletal muscles
within the typical human,
and almost every muscle
constitutes one part of a
pair of identical bilateral
muscles, found on both
sides, resulting in
approximately 320 pairs of
muscles, as presented in
this article.

4. THE BONES
http://youtu.be/e54m6XOpRgU
Bones are rigid and strong and make up the
scaffolding for your body called the skeleton.
When you are fully grown your adult skeleton has
205 bones.