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describe the circulation of blood through heart..
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Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium. ... As the ventricle contracts, blood leaves theheart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated
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firstly the oxyganated blood will be received by heart from lungs..
then through pulmonary vein oxyganated blood will be sent to left atrium..
left atrium contracts and blood will be sent to left ventricle...
from left ventricle the blood will be sent to all parts of body by arteries...
after cellular respiration CO2 WILL BE released by cells which will be carried by veins to RIGHT ATRIUM..
Right atrium contracts and blood will be sent to Right ventricle.... by pulmonary artery de-oxyganated blood will be sent to lungs for purifier
then through pulmonary vein oxyganated blood will be sent to left atrium..
left atrium contracts and blood will be sent to left ventricle...
from left ventricle the blood will be sent to all parts of body by arteries...
after cellular respiration CO2 WILL BE released by cells which will be carried by veins to RIGHT ATRIUM..
Right atrium contracts and blood will be sent to Right ventricle.... by pulmonary artery de-oxyganated blood will be sent to lungs for purifier
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