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5 de abr. de 2020 · The heart is the organ that helps supply blood and oxygen to all parts of the body. It is divided by a partition (or septum) into two halves. The halves are, in turn, divided into four chambers. The heart is situated within the chest cavity and surrounded by a fluid-filled sac called the pericardium. This amazing muscle produces electrical ...
26 de ene. de 2024 · Your heart’s main function is to move blood throughout your body. Blood brings oxygen and nutrients to your cells. It also takes away carbon dioxide and other waste so other organs can dispose of them. Your heart also: Controls the rhythm and speed of your heart rate. Maintains your blood pressure.
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29 de jul. de 2020 · The heart is a complex organ that pumps blood throughout the body. It sits in the chest, slightly left of center, behind the breastbone, and between the lungs. A heart that is not healthy does not ...
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Your heart muscle is made up of three layers of tissue: Pericardium – a thin, outer lining that protects and surrounds your heart.; Myocardium – a thick, muscular middle layer that contracts and relaxes to pump blood around of your heart.; Endocardium – a thin, inner layer that makes up the lining of the four chambers and the valves in your heart. ...
Heart is an American rock band that first found success in Canada and later in the United States and worldwide. Over the group's five-decade history, it has had three primary lineups, with the constant center of the group since 1973 being sisters Ann Wilson (lead vocals, flute and guitar) and Nancy Wilson (guitar, mandolin and vocals). Heart rose to fame in the mid-1970s with music influenced ...
