Terms of the offer
Explore the heart anatomy with its parts, names & a clear diagram. Learn how the heart functions & its crucial role in the circulatory system Heart, organ that serves as a pump to circulate the blood. It may be as simple as a straight tube, as in spiders and annelid worms, or as complex as the four-chambered double pump that is the center of the circulatory system in humans, other mammals, and birds. In humans, the heart is approximately the size of a closed fist and is located between the lungs, in the middle compartment of the chest, called the mediastinum. [4] The heart is a muscular organ that serves to collect deoxygenated blood from all parts of the body, carries it to the lung s to be oxygenated and release carbon dioxide. Then, it transports the oxygenated blood from the lungs and distributes it to all the body parts [1] The heart pumps around 7,200 litres of blood in a day throughout the body [2] [3]. The heart is situated at the centre of the chest and points slightly towards the left. On average, the heart beats about 100,000 times a day ...
