Blood flows from the lungs to the left atrium, then to the left ventricle. Blood flows from the right atrium to the right ventricle, then to the lungs to be oxygenated. The heart functions as two pumps, one on each side, which work in tandem. It is our circulatory system's primary organ. The heart is a small organ that circulates blood throughout our body. That is why it is critical to take care of the heart by living a heart-healthy lifestyle. In the United States, heart disease is the leading cause of death. Every cell in the human body, except the cornea, receives blood from the heart. In humans, the heart is about the size of a closed fist and is located in the middle compartment of the chest, between the lung s.Įvery day, our heart does amazing things. Pumped blood transports oxygen and nutrients to the body while transporting metabolic waste like carbon dioxide to the lungs. This organ circul ates blood through the circulatory system's blood vessels.
The left ventricle is thicker than the right ventricle as it takes more force to push blood to the body compared to the lungs.The heart is a muscular organ. The left atrium receives oxygenated blood from the lungs and the left ventricle pushes this oxygenated blood to the body. The right atrium receives deoxygenated blood from the body and the right ventricle pushes this deoxygenated blood to the lungs where it receives oxygen. The atria receive blood from veins and the ventricles push blood out of the heart into arteries. The heart itself needs its own blood supply for oxygen and nutrients as it is a muscle, so is supplied by the coronary arteries. 2 valves between the atria and the ventricles and 2 valves between the ventricles and the arteries that leave the heart. The right and the left side of the heart are separated by the interventricular septum. In the heart there are 4 chambers the upper 2 chambers are called the atria and the bottom two chambers are called the ventricles.
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