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Heart | Structure, Function, Diagram, Anatomy, & Facts
https://www.britannica.com/science/heart
WEB6 days ago · In humans and other mammals and in birds, the heart is a four-chambered double pump that is the centre of the circulatory system. In humans it is situated between the two lungs and slightly to the left of centre, behind the breastbone; it rests on the diaphragm, the muscular partition between the chest and the abdominal cavity.
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Heart - Wikipedia
https://en.wikipedia.org/wiki/Heart
WEBIn 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. [3] In humans, other mammals, and birds, the heart is divided into four chambers: upper left and right atria and lower left and right ventricles.
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Heart: Anatomy & Function - Cleveland Clinic
https://my.clevelandclinic.org/health/body/21704-heart
WEBJan 26, 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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Heart anatomy: Structure, valves, coronary vessels | Kenhub
https://www.kenhub.com/en/library/anatomy/heart
WEBNov 3, 2023 · The heart is a muscular organ that pumps blood around the body by circulating it through the circulatory/vascular system. It is found in the middle mediastinum, wrapped in a two-layered serous sac called the pericardium.
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How the Heart Works - What the Heart Looks Like | NHLBI, NIH
https://www.nhlbi.nih.gov/health/heart/anatomy
WEBMar 24, 2022 · Your heart is in the center of your chest, near your lungs. It has four hollow chambers surrounded by muscle and other heart tissue. The chambers are separated by heart valves, which make sure that the blood keeps flowing in the right direction. Read more about heart valves and how they help blood flow through the heart.
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The Anatomy of the Heart - Verywell Health
https://www.verywellhealth.com/anatomy-of-the-heart-5097180
WEBNov 12, 2023 · Anatomy. Function. Associated Conditions. Tests. The heart—the primary organ of the cardiovascular system—is a muscle that contracts regularly, via a natural pacemaker that produces electrical impulses . The heartbeat drives the transport of blood throughout the body, which provides oxygen and nutrients to all the …
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The heart: Anatomy, how it works, and more - Medical News Today
https://www.medicalnewstoday.com/articles/320565
WEBSep 30, 2020 · The human heart is a finely-tuned instrument that serves the whole body. It is a muscular organ around the size of a closed fist, and it sits in the chest, slightly to the left of center. The...
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Anatomy of the human heart - Wikipedia
https://en.wikipedia.org/wiki/Anatomy_of_the_human_heart
WEBAnatomy of the human heart. The heart is a muscular organ situated in the mediastinum. It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system.
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How the Heart Works - The Heart | NHLBI, NIH
https://www.nhlbi.nih.gov/health/heart
WEBMar 24, 2022 · Español. The heart is an organ about the size of your fist that pumps blood through your body. It is made up of multiple layers of tissue. Your heart is at the center of your circulatory system. This system is a network of blood vessels, such as arteries, veins, and capillaries, that carries blood to and from all areas of your body.
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Heart Pictures, Diagram & Anatomy | Body Maps - Healthline
https://www.healthline.com/human-body-maps/heart
WEBMar 10, 2015 · Human body. Circulatory System. Heart. The heart is a mostly hollow, muscular organ composed of cardiac muscles and connective tissue that acts as a pump to distribute blood throughout the...
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