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DAANCE module 1

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DAANCE module 1 CNS- Central Nervous System - composed of cerebrum,cerebellum & Medulla oblongata PNS-Peripheral Nervous System - Composed of Cranial Nerves (optic,olfactory,auditory,trigeminal & facial) & spinal nerve

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  • December 15, 2024
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  • 2024/2025
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  • DAANCE module 1
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Stan911
DAANCE module 1
CNS- Central Nervous System - ✔✔composed of cerebrum,cerebellum & Medulla oblongata



PNS-Peripheral Nervous System - ✔✔Composed of Cranial Nerves (optic,olfactory,auditory,trigeminal &
facial) & spinal nerves



ANS-Autonomic nervous system - ✔✔divided into sympathetic and parasympathetic nervous system



cerebrum - ✔✔thought area of the brain



cerebellum - ✔✔coordinating motor area of the brain



Medulla oblongata - ✔✔coordinating region for impluses/seat of autonomic center



cranial nerves - ✔✔Optic=sight, olfactory=smell, auditory=hearing, trigeminal=teeth/jaw, facial=muscles



spinal nerves - ✔✔motor and sensory nerves that leave various tracts of the spinal cord and goes to all
areas of the body



sympathetic nervous system - ✔✔speeds things up "fight or flight" cause vasoconstriction (vasomotor=
vessel movement) increases heart rate



Parasympathetic nervous system - ✔✔decreased heart rate, blood pressure, baroreceptores. (in aortic
arch, carotid sinus & ventricals increase parasympahtetic output.)



myocardium - ✔✔cardiac muscle



Atria - ✔✔2 superior chambers of heart that receive blood: Right- oxygen poor,receives blood from body,
Left-oxygen rich, receives blood from lungs via pulmonary vein

, ventricals - ✔✔2 chambers of the heart that receive blood from the atria. Right-sends oxygen poor blood
to lungs

Left-sends oxygen rich blood to body& peripheral circulation



arteries - ✔✔all vessels leading away from the heart (pulmonary artery= only artery with oxygen poor
blood) Coronary artery = supply oxygen nutrients to the heart)



veins - ✔✔all vessels leading to the heart



echocardiogram - ✔✔detects heart murmur or mitral valve prolapse



angina - ✔✔chest pain from ischemia (reduced 02 supply that weakens heart cells but doesn't kill them)
occurs usually during excretion (resolved by rest or nitroglycerin)



systolic - ✔✔both ventricles contracting



diastolic - ✔✔both atria contracting



cardiac cycle - ✔✔short pulse after contraction, usually 60-100 bpm



bradycardia - ✔✔heart rate below 60bpm



tachycardia - ✔✔heart rate above 100 bpm



sinoatrial node -SA node - ✔✔located in the right atrium (sinus rhythm)



hearts conduction system - ✔✔cac=cardioacceleratory center

cic=cardioinhibitory center

sa=sinoatrial node

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