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The semi lunar valves control the flow of blood coming back into the Right Atrium.
Deoxygenated blood comes to the lungs to be reoxygenated in the respiratory process. This involves both blood flow and the circulation of oxygen from it's separation from room air into base gas components in the lungs. The perfusion process is also another name for it, but this is a little general. The blood itself circulates to the lungs via the pulmonary artery (the only artery to carry deoxygenated blood) to the lungs where the spent oxygen is exchanged as carbon dioxide for new oxygen molecules via the perfusion process and is then returned to the heart via the pulmonary vein(the only vein to carry oxygenated blood).
The pulmonary system refers to the flow of blood from the heart to the lungs and back to the heart where oxygenated blood is picked up from the lungs and returned to the heart to be dispersed throughout the body. See the related link for more information.
The protein "Hemoglobin" is responsible for the red color. Each hemoglobin molecule can bind up to 4 oxygen atoms. When fully loaded with oxygen atoms the protein takes on a more bright red color. When deprived of oxygen the protein takes on a darker red/blue color.
The scientific name for the color pink is Dianthus plumarius. It is actually the name of a flower. That's how the color pink was named, after a flower.
coronary artery
radial is the artery that is palpated when checking a blood pressure
The posterior tibial artery carries blood to the posterior of the leg. This artery also branches off into the fibular artery, which supplies blood to the lateral compartment of the leg.
The Ulna Artery.
artery
the aorta
Artery and vains
The coronary artery.
loop
aeorta
Artery
artery