Which best describes the sympathetic nervous system? O the brain and spinal cord
O rest and digest
O fight or flight
O the sensory and motor neurons

A. The brain and spinal cord.

Explanation:

Which best describes the sympathetic nervous system? The nerve that is connected to skin receives stimuli information from the external environment; the nerve that is connected to a muscle receives processed stimuli information from the brain.

Hope this helps. ^_^

that scientist would be robert hooke