reptile
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country bumpkin
Spinal Column: Like all vertebrates, birds have a spinal column that runs the length of their bodies, and encases the delicate spinal cord. The spinal cord is part of the central nervous system and, in essence, acts as the brain's "messenger". When the bird decides that he wants to move, the spinal cord relays the message from the brain to the muscles that correspond to the desired body part, causing movement.
Read more here>>http://birds.about.com/od/birdhealth/a/birdanatomy_2.htm
| 12 years ago. Rating: 4 | |
Clonge
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