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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.
Jul 30, 2021 · Summary. The cardiovascular system consists of the heart, blood vessels, and blood. Its primary function is to transport nutrients and oxygen-rich blood to all parts of the body and to carry ...
Cardiac Conduction System. 3D Model. The heart, a hollow muscular organ, is located in the center of the chest. The heart has two sides, right and left. The right and left sides of the heart each have an. Atrium: Upper chamber that collects blood and pumps it to the lower chamber. Ventricle: Lower chamber, which pumps blood out of the heart.
Jun 6, 2023 · The heart provides the body’s organs and tissues with a constant supply of blood – and with it vital oxygen and nutrients. You can think of the heart as a central pump that keeps the blood circulating around the body. At rest, an adult heart beats about 60 to 80 times a minute. Each time the heart beats it pumps blood through the body. When we exert ourselves physically, our heart beats ...
- 2023/06/06
Jul 26, 2017 · The heart is one of the most vital and delicate organs in the body. If it does not function properly, all other organs – including the brain – begin to die from lack of oxygen within just a few minutes. As of 2009, the most common cause of death in the world was heart disease. Most heart disease occurs as a result of age or lifestyle.
The heart is one of the most important organs in the human body. It is a powerful fist-sized muscle that pumps blood around the body through a network of blood vessels – together, the heart and blood vessels make up the body’s cardiovascular system. Our hearts beat on average 72 times every minute – over 100,000 times per day.
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Oct 31, 2024 · heart, organ that serves as a pump to circulate the blood. It may be a straight tube, as in spiders and annelid worms, or a somewhat more elaborate structure with one or more receiving chambers (atria) and a main pumping chamber (ventricle), as in mollusks. In fishes the heart is a folded tube, with three or four enlarged areas that correspond ...
