This printable crossword puzzle on the topic of Human Body Systems has 24 clues. Answers range from 4 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
consists of the brain and spinal cord
consists of the sense organs (eyes, ears etc)
are cells that transfer an electrochemical impulse
are short, branchlike extensions that carry impulses toward the cell body
carry impulses away from the cell body
thin, long branches of the nervous system
travel along the cell membrane of a neuron
a immediate, inborn involuntary action to a stimulus
the largest part of the brain
the second largest part of the brain
is below the cerebrum and in the front of the cerebellum
is continous with the brain stem and extends down your back
an organ such as the eye or ear that consists of many sensory receptors and various tissues needed to keep the receptors functioning
the tough outside tissue that forms the white of the eye ball
at the front of the sclera
the black spot in the center of the iris is the
the middle layer of the eye
the colored part of the eye
the inner layer of the eye that begins along the sides of the lens and continues around the back of the eye
Are responsible for vision in dim light
are sensitive to the various colors of visible light
eardrum, streches over the opening to the middle ear
leads from the midddle ear to the pharynx
a set of 3 structures in the inner ear that are responsible for sensing balance