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  1. en.wikipedia.org › wiki › HeartHeart - Wikipedia

    The heart is a muscular organ in most animals. This organ pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs.

  2. Sep 30, 2020 · Here, learn about the structure of the heart, what each part does, and how it works to support the body. We also explore the electrical impulses and the role of CPR.

  3. Nov 12, 2023 · What Is the Heart? Learn how this fist-sized organ pumps blood through your body, how it works, its anatomy, what conditions affect it, and more.

  4. Mar 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.

  5. Mar 24, 2022 · 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.

  6. 52K. 6M views 5 years ago #NationalGeographic #Educational #Hearts. The human heart beats up to 3 billion times over an average lifespan. Learn about the anatomy of the heart and how this...

  7. The heart, nestled between the lungs and protected by the rib cage, serves as a powerful pump ensuring blood flow throughout the body. This systemic flow delivers oxygen and nutrients to cells and removes waste. Additionally, the heart manages pulmonary flow, sending blood to the lungs for oxygenation before distributing it to the body.

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