________ are axon fibers that release chiefly N. epinephrine
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adrenergic fibers
charge outside cell
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positive
charge of inside of cell
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negative
Interoceptors
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monitor internal organ activity
Where is CSF found?
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subarachnoid space
Effect of exercise on bone
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Bone will change in response to the stresses it encounters
1) Muscle pulling on bone --> joint reaction forces
2) Impact --> ground reaction forces
Macroscopic Anatomy
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The study of structures that can be seen without magnification
dorsal cavity
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contains the brain and spinal cord
Microvilli
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Fingerlike extensions of plasma membrane of apical epithelial cells,
increase surface area, aid in absorption, exist on every moist epithelia, but
most dense in small intestine and kidney
steps of action potential
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depolarization, repolarization, hyperpolarization
, nerve fibers in PNS
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Sensory nerves- afferent
Motor nerves- efferent
Autonomic Nerves- Associated with involuntary control activities
Ossification
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bone formation
Where are mucous membranes found?
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digestive, respiratory, urinary, and reproductive tracts
nuclei of medulla oblongata
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