miércoles, 16 de noviembre de 2011

A REFLEX MOVEMENT CONTROLLED BY THE SPINAL CORD

- First, the skin receives information.

- Next, the nerves transmit the information to the spinal cord.

- Then, the spinal cord receives the information and sends a command.

- After that, nerves transmit the command to the arm muscles.

- Finally, the muscles contract and the arm moves away.

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