Cardiovascular system
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| why are valves between the atria and ventricles needed? | valves prevent backward flow of blood
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| why are valves between ventricles and great arteries needed? | to push blood in the right direction
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| What cellular structures allow for communication between cardiac muscle cells? | gap junction
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| what are the 2 additional names for the LEFT atrioventricular valve? | mitral valve & bicuspid valve
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| What arteries of the circulatory system carry deoxygenated blood? | pulmonary arteries
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| what 3 veins deliver blood to the right atrium of the heart? | superior vena cava, inferior vena cava, & coronary sinus
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| What great vessel of the heart has the thickest wall? | Aorta
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| What chamber of the heart has the thickest wall? | Left ventricle
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| What 2 arteries deliver oxygenated blood into the myocardium? | right & left coronary arteries
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| What cardiac conduction area of the heart is know as the "pacemaker" of the heart? | Sinoatrial node
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| What ventricular action is occurring when the atria are contracting? | diastolic; ventricle is relaxing
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Created by:
yulissalira
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