Chsos 404 exam Study guides, Class notes & Summaries

What are parts of the CNS? - brain and spinal cord What are parts of the PNS? - afferent sensory, efferent motor, somatic voluntary, and autonomic involuntary What are the two neural cells and what are their functions? - neurons- functional cells of the nervous system that contain the cell body, dendrites, and axons schwann cells- supporting cells in the PNS that produce myelin to facilitate rapid conduction of an action potential

function of the cardiovascular system - -transport: nutrients, wastes -communication: hormones -immunity: lymphocytes -coagulation: clotting factors -body temperature mechanism of transport: bulk flow vs diffusion structure of the cardiovascular system - -heart - pump -located in thoracic cavity -encased by fibrous sac - the pericardium -circulatory system -arteries -arterioles -capillaries -venules -veins -2 circulations -pulmonary -systemic

Pyknosis - nuclear shrinkage Karylosis - degraded DNA; dissolution of nucleus Karyorrhexis - Nucleus fragments hemosiderin - pigment released from hemoglobin process

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