The oxygenated blood flows from the left atrium to the left ventricle and starts systemic circulation again. The blood moves to those lungs to replace carbon dioxide for oxygen and return to the left atrium. In the process, the blood carries oxygen, vital nutrients, and collects the resident substance and carbon dioxide. In the process, the blood carries necessary oxygen and other nutrients and returns the deoxygenated blood into the right atrium and ventricle of the heart. From there, the blood travels through the large arteries finish up in the capillary network. In the systemic circulation, the heart supplies oxygenated blood from the left vertical to the aorta. From ventricles, the blood is supplied in larger arteries, in a stage named the ejection period. ![]() In expansion, the blood flows from the upper two chambers (atria) to the lower two chambers (ventricles). The pulmonary system is a part of the cardiovascular system, which takes away deoxygenated blood and returns oxygenated blood in the system.īlood circulation starts between the two heartbeats when the heart rests. The systemic circulation is responsible for carrying oxygen and other essential nutrients with blood to organs, tissues, and cells. There are two different types of blood circulatory system operating in the human body. ![]() The cardiovascular system appears like a tree the trunk the main artery (aorta) divides itself into large arteries, leading to smaller vessels, the smallest forms a network of blood vessels called capillary network. The heart pumps blood away through arteries, and veins bring it back to the heart. Blood vessels( arteries and veins) and heart are the components of the system. ![]() The blood circulatory system, also known as the cardiovascular system, delivers oxygen and nutrients to every cell in the human body.
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