Blood in the heart starts in the right atrium, where deoxygenated blood from the body returns via the superior and inferior vena cavae. It then moves to the right ventricle, which pumps it to the lungs for oxygenation through the pulmonary arteries. After picking up oxygen, the blood returns to the heart's left atrium via the pulmonary veins, moves to the left ventricle, and is then pumped out to the body through the aorta. This cycle continues as blood circulates throughout the body and returns to the heart.
Cold Blood Warm Heart ended on 1996-04-26.
The blood is pumped by the heart round the body in a circular system, so there is no actual end.
The answer is the vein
Well think of the heart and blood vessles as a race track. It start at the heart goes all they way around then back to the start so the heart pumps blood to the heart, but also ateries have a layer of smooth muscle that automatically contracts to help the movement of blood.
Blood flows from the heart into the left atrium, into the left ventricle. From there, it flows from the right artrium into the left ventricle.
Red blood cells are produced in the bone marrow through a process called hematopoiesis and are released into the bloodstream to circulate throughout the body. Their life span is typically around 120 days before they are removed by the spleen and liver.
The circulatory system is like a circle, so there is no real beginning or end. So when you describe it, you could start where ever you want. People often start in the heart, but you could start anywhere along the path. Here is a very simplified path through the circulatory system: Right heart to lungs to left heart to arteries to capillaries to veins and back to right heart.
...would stretch around the equator 2 and a half times!
blood flow patterns
70ml. It is just the difference. The stroke volume is the amount of blood pumped per contraction of the heart muscles (systole). End Diastolic Volume is the amount of blood in the heart just prior to contraction. End Systolic Volume is the amount of blood left in your heart after contraction.
The crazy means is a crazy THE END! :D
Arteries are the blood vessels that carry blood away from the heart to all parts of the body. Veins are the blood vessels that carry deoxygenated blood from all body part to the heart and lungs.