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level: Level 1

Questions and Answers List

Question	Answer
a muscular pump that pumps the blood out to the rest of the body	the heart
where all the blood is sent around the body to all body tissue	systemic circulation
carries deoxygenated blood away from the right ventricle, to the lungs and returns oxygenated blood to the left atrium and ventricle of the heart	pulmonary circulation
blood in the blood vessels that supply the heart muscle	coronary circulation
close system of arteries, veins and capillaries. the transport system carrying life sustaining blood around the body to every organ, pumped out of the heart	blood vessels
the atria, smaller	upper chamber
the ventricles, pumps blood out of the heart	lower chamber
sends blood up to the brain	the aorta
the only artery that carries deoxygenated blood, carries it to the lungs	the pulmonary trunk
takes blood supply to the heart	coronary arteries
always going away from the heart	arteries
always going towards the heart	veins
to prevent backflow of blood	valves
closure of the AV valve	lub sounds
closure of the SL valve	dub sound
the outter layer surrounds the heart and covers the roots of the great vessels, has 2 layers	pericardium
the muscular layer which pumps the blood, thicker in left ventricle because it pumps blood around whole body	myocardium
the inside layer/ covers all the valves	endocardium
right side of the heart	supplies the heart
left side of the heart	supplies the body