If a drop of blood were going from the inferior vena cava to the heart, trace the path of that drop of blood from the vessel (IVC) through the four chambers of the heart, four valves of the heart and the lungs, in the correct sequence, ending with the drop of blood going into the aorta.
If a drop of blood were going from the inferior vena cava to the heart, trace the path of that drop of blood from the vessel (IVC) through the four chambers of the heart, four valves of the heart and the lungs, in the correct sequence, ending with the drop of blood going into the aorta.
The human circulatory system is one of the major eleven organ systems in the human body and is responsible for the circulation of blood through the body. It is also called the vascular system or the cardiovascular system. The main components of the circulatory system are blood, blood vessels and heart. The blood circulating through the circulatory system is responsible for the transport of oxygen and nutrients to the cells, and removal of carbon dioxide and toxic metabolic waste from the cells.
The heart is a muscular organ located slightly toward the left side of the breastbone. It is the main organ of the circulatory system and is responsible for pumping blood into the blood vessels. The size of the heart is approximately equivalent to the size of fist The specialized cells of the heart include cardiomyocytes and pacemaker cells. The rhythm at which the heart is pumped is controlled by the pacemaker cells. These cells have the ability to get excited and generate current that causes the contraction of the heart, thereby pumping the blood into the vessels.
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