Part of the brain that controls unconscious functions such as heart rate, breathing, and digestion.
central nervous system
Main part of the nervous system; includes the brain and spinal cord.
Part of the brain that controls body position, coordination, and balance.
Largest part of the brain; controls conscious functions such as reasoning and voluntary movements.
Thick bundle of axons that lies deep inside the brain and carries messages back and forth between the two hemispheres.
Long, tube-shaped bundle of neurons that runs from the brain stem to the lower back; carries nerve impulses back and forth between the body and brain.
Bones forming the spinal column.
Introduces the structures of the central nervous system, the brain, the spinal cord, and the three main parts of the brain: the cerebrum, the cerebellum, and the brain stem.
The brain consists of three main parts: the cerebrum, the cerebellum, and the brain stem.