The Nervous System Crossword

Bundle of nerves surrounding the spine that connects the whole body to the spine
Front of the brain that integrates left and right parts of the brain
Back of the brain that coordinates muscle movements
Lowest part of brain stem
An action that is caused by stimulus and done without thought
A cell in the retina that responds to sharp light and color, sharpness of vision
A wall of cells in the back of the eye that sends impulses to the optic nerve
Nerve that translates brain to retina
Spiral cavity of the inner ear
Signal that is translated along the nerve fiber
Junction between nerve cells
Nerves inside brain and spinal cord
Nerves outside brain and spinal cord
A cell that transmits nerve impulses
A pulse of electric energy that travels along nerves and directs the body
Extension of the nerve cell that receives/pass info to and from cells
Refracts light into a picture onto the retina
Light sensitive cells in the retina that provide side vision and sight in the dark
A chemical released to send messages
A chemical that is released by neurons to send messages
Relaxes the body by; slowing heart rate, relaxing sphincter, ETC
Prepares the body for intense physical activity
Nerve fiber that extends from the neuron and sends electrical impulses
Neurons that convert external stimuli into messages to the brain
Something that transmits stimuli to sensory nerves
Neuron apart of the path between brain and muscles
Bundle of fibers that send messages to the brain and then to the muscles
Organ that is the center of the nervous system
A structure that responds to light falling on it
Responsible for controlling amt of light falling on retina
Structure containing nerve cell bodies, swelling on nerve fiber