CHAPTER 13 CARDIOVASULAR SYSTEM
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| cardiovascular system includes | show 🗑
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| pericardium | show 🗑
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| layers of cardiac wall | show 🗑
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| epicardium | show 🗑
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| show | thick middle layer, cardiac muscle tissue pumps blood out of heart chambers
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| endocardium | show 🗑
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| blood flows through vena cavae & coronary sinus into right atrium through _, to right ventricle through pulmonary valve to pulmonary trunk into right & left _ to lungs, through pulmonary veins into _ through mitral valve to _ & through _ to aorta. | show 🗑
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| vessels through blood flow from aorta to myocardium & back to right atrium | show 🗑
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| cardiac cycle | show 🗑
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| S-A node | show 🗑
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| show | A-V bundle
bundle branches
purkinje fibers
ventricular sncytium
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| normal ECG pattern | show 🗑
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| show | depolarization of atria
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| show | depolarization of ventricles
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| show | repolarization of ventricles
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| show | parasymphatethic & sympathetic nerve fibers control S-A node
auntonomic NS
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| artery | show 🗑
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| show | vessels subdivide progressive thinner tubes, eventually finer branched
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| show | artery branches into arterioles
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| control of vasoconstriction | show 🗑
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| control of vasodilation | show 🗑
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| show | smallest diameter blood vessels, connecting smallest arterioles & venules
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| show | substances in blood are excahnged for substances in tissue fluid surrounding body cells
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| diffusion between blood and tissue | show 🗑
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| show | colloid osmotic pressure unchanged, blood pressure decreased, reabsorption predominates
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| show | merged from a venule, carries blood back to atria, follows path of arteries
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| venule | show 🗑
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| show | systolic pressure
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| show | blood volume
strength of hear contractions
heart rate
blood viscosity
peripheral resistance
venous blood flow
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| blood volume | show 🗑
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| strength of heart contractions | show 🗑
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| heart rate | show 🗑
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| blood viscosity | show 🗑
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| show | larger lumen of vessel= faster flow
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| venous blood flow | show 🗑
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| show | vasoconstriction
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| show | skeletal muscle contraction
breathing
arterial blood pressure
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| show | 12% total blood
right heart>lungs>left heart
O2 poor blood from heart>lungs
O2 rich blood back to heart
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| show | left heart>body>right heart
O2 rich blood to body cells
O2 poor blood back to heart
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| show | largest diameter artery in body
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| show | coronary
brachiocephalic
left common carotid
left subclavian arteries
descending aorta
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| show | thoracic & abdominal group
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| simple squamous | show 🗑
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| show | non striated, autonomic NS
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| cardiac muscle | show 🗑
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| show | blood vessel from heart to rest body
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| veins | show 🗑
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| capillaries | show 🗑
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| show | lungs
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| show | body system
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| show | tissue forming layer/covering of organ/part
tissue layers of blood vessel wall
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| pulse | show 🗑
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| blood pressure | show 🗑
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| card- | show 🗑
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| cusps | show 🗑
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| show | vein
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| show | pumps blood
closed system
1 RBC completes pathway every minute
maintain homeostasis of body fluids
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| show | coverings
wall
chambers/valves
tissue
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| show | 5.5"x3.5"
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| show | between 5&6th ribs inferior to midpoint of left clavicle
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| heart location | show 🗑
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| heart coverings | show 🗑
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| show | pericardium
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| show | epicardium
myocardium
endocardium
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| show | atria
ventricles
intervenricular septum
tricuspid valve
bicuspid valve
pulmonary semilunar valve
aortic semilunar valve
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| show | receiving
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| show | ventricles
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| show | interventricular septum
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| show | bicuspid
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| heart tissue | show 🗑
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| gap junctions | show 🗑
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| show | joins cells together
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