brain to the spinal cord through the brachial plexus to ulnar nerve to little finger
superficial digital veins to radial or ulnar vein to brachial vein to subclavian to superior vena cava into the right atrium
Pulmonary vein, left atrium, left ventricle, aorta, arteries ,then to the capillaries
The normal pathway of blood flow starts in the right atrium of the heart where deoxygenated blood enters from the body, then flows into the right ventricle and is pumped to the lungs to get oxygenated. Oxygenated blood returns to the left atrium of the heart, flows into the left ventricle, and is then pumped out to the rest of the body.
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Oxygenated blood returns from the lungs and enters the left atrium of the heart through the pulmonary veins. From the left atrium, the blood then flows into the left ventricle, which pumps it out through the aorta to supply the rest of the body with oxygen-rich blood.
well you have two atria the right atrium and left atrium but i think the right atrium has deoxygenated blood and the left atrium has oxygenated blood.
The pulmonary artery is the primary artery going to the heart; very basically- it transports the blood below the heart. The aorta runs above the heart and is actually the largest artery, but it handles less blood as it has a smaller area to cover.
Atrium
Two veins return deoxygenated blood to the right atrium. The superior vena cava returns blood from the head and upper body to the right atrium. The inferior vena cava returns blood from the legs and lower body to the right atrium.
The left atrium of the heart receives oxygented blood from the pulmonary veins returning oxygenated blood to the heart.
Blood returning to the right atrium of the heart is deoxygenated.
The left atrium receives oxygen-rich blood.