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A&P Chp 9

The Nervous system

The outermost covering of a nerve is called the_________. Epineurium
True or False: Cranial Nerves are NOT a part of the CNS. True
Humans have________ pairs of cranial nerves and______ pairs of spinal nerves. 12 and 31
Nerve cell most likely found in the ______ matter of the Spinal Cord. Gray
Defects of the hindbrian effects the development of the ________ __________. Medulla Oblongata
Nerves are bundles of_______ Neurons
________ nerves carry out sensory information. Afferent
Efferent nerves carry out_______ information Motor
The_____ is composed of the brain and spinal cord. Central Nervous System
The PNS is composed of_______ nerves, ________ nerves, and _______. Somatic, Autonomic and Ganglia
The autonomic nervous system is divided into the _________ and _________ nervous systems. Parasympathetic and Sympathetic
The special senses are concentrated in the_____. Head
Chemoreceptors on the tongue sense _______ (gustation). Taste
____________ in the retina of the eye sense light (vision) Photoreceptos
_____ are color photoreceptors, and _____ rods detect dim light. Cones and Rods
Neurons in the______ sense sound vibrations (hearing) Cochlea
_________ in the semicircular canals and vestibule sense position (equilibrium) Neurons
The CNS ______ weight as a person matures. Loses
Created by: mrskater