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CNS- Central Nervous System overall control center of the body & consist of the brain & spinal cord
PNS- Peripheral Nervous System consists of the nerves that carry impulses away from the CNS to various parts of the body and those that carry impulses from the periphery back to the CNS
ANS- Autonomic Nervous System
Cerebral Cortex responsible for essential functions such as thought, learning, memory, consciousness, the feeling of sensations such as pain or heat and the initiation of muscle movement
Core of the Brain impulses pass through here to or from the cerebral cortex. one of the core's components serves as a relay station between sensory inputs from the periphery of the body to the cerebral cortex.
Cerebellum the coordinating center for both sensory receptors, such as those for vision and hearing, as well as coordination of movement
Brainstem lies between the brain's core and the spinal cord inferiorly. consists of the midbrain, pons, and medulla oblongata. contains the important control centers for autonomic nervous system functions, as well as the reticular formation.
Reticular Formation responsible for the maintenance of consciousness or arousal
Pons has direct connections with the cerebellum- important for coordination of movement
Medulla Oblongata contains important centers for the control of blood pressure, heart rate, respiration, and digestion
Sensory Nerves nerves that conduct messages back to the CNS from receptors regarding the environment (e.g touch, pain)
Motor Nerves nerves that carry out a response formulated in the CNS to a muscles to initiate body movement
The Cranial Nerves nerves that have their origin at the base of the brain
Optic Nerve 2nd cranial nerve. responsible for sight
Olfactory Nerve 1st cranial nerve. responsible for smell
Auditory Nerve 8th cranial nerve. responsible for hearing
Trigeminal Nerve 5th cranial nerve. supplies sensation to the teeth and jaws. also has motor branches that supply the muscles of mastication. "three pairs"
Muscles of Mastication the muscles that are responsible for the jaw movement during chewing
Facial Nerve 7th cranial nerve. supplies motor fibers to the muscles of facial expression and allow us to smile, frown, wrinkle our brow, etc.
Created by: mossercn
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