C they are always found in homologous pairs
<span>characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution.</span>
The central communication conduit
between the brain and the rest of the body is the spinal cord. The spinal cord
is a long thin structure that comes from medulla oblongata in the brain stem to
the bottom of the spine. The spinal cord is made up of nerves that transmit messages
between the brain and the rest of the body.
