What is the blood flow from right atrium to right hand finger tips and back to right atrium?
I just really need to know the blood flow from right atrium to right hand finger tips and from finger tips back up to right atrium.
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Blood enters the heart at the right atrium. The right atrium contracts, forcing blood through the tricuspid valve into the right ventricle. Then the right ventricle contracts, pushing the blood through the pulmonary semilunar valve into the pulmonary artery. The pulmonary artery transports blood from to the lungs, receiving oxygen. Then, pulmonary veins take the oxygenated blood to the left atrium. Blood is then forced through the bicuspid valve into the left ventricle. The left ventricle is the major pump that sends the blood out to the body. The left ventricle contracts sending the blood through the aortic semilunar valves and into the aorta. The aorta and its branches carry the blood to all tissues (including fingertips) of the body. Veins take the deoxygenated blood from these parts of the body back to the heart - to the superior and inferior vena cave and into to the right atrium.
vena - vein - veins take blood to the heart.
aorta - artery - arteries take blood from the heart to the body. (with the exception of the pulmonary and umbillical arteries)
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