This printable crossword puzzle on the topic of Human Body Systems has 16 clues. Answers range from 4 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
An automatic or involuntary response to a stimulus
Something that causes a reaction
The long slender projection of a nerve cell.
Branchlike part of a neuron.
The __ nervous system is made of all the nerves outside the brain and spinal cord.
Small space across which an impulse moves from an axon to dendrites of another neuron.
Any message carried by a neuron.
Relays impulses from sensory neurons to motor neurons.
The brain and spinal cord make up the __ nervous system.
The organ that coordinates all the body's activities.
The largest part of the brain.
The part of the brain that connects it to the spinal cord.
The basic functioning unit of the nervous system.
Type of neuron that receives information and sends it to the brain or spinal cord.
Major division of the PNS that controls voluntary reactions.
Major division of the PNS that controls involuntary actions.