Portage Learning: A&P 2, MOD 1
anatomy
focuses on the structure of the body
physiology
looks at how the body parts function together
nervous system
receives information, processes information, and sends out signals to the muscles and
glands to elicit an appropriate response
nervous tissue
responsible for the communication between the cells of the body by forming a system of
electrical impulses that communicate very rapidly
What is included in the CNS?
brain & spinal cord
What protects the brain?
skull
What protects the spinal cord?
vertebrae
What does the CNS do?
sends signals or impulses to and receives impulses from the peripheral nervous system
nuclei
collections of cell bodies inside the CNS
tracts
collections of nerve axons in the CNS
What is included in the PNS?
cranial nerves & spinal nerves
brainstem regions
midbrain, pons, medulla
Where do the cranial nerves come from?
project from the brainstem
