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Learn the meaning and usage of the word heart in English and Spanish, with examples and expressions. Find out how to say heart in different contexts, such as organ, emotion, shape, suit, and more.
17 de mar. de 2024 · Learn about the structure, function, and diagram of the human heart, a four-chambered double pump that circulates blood through the body. Explore the history, evolution, and diseases of the heart, and how it works with the lungs and the circulatory system.
21 de feb. de 2019 · 52K. Share. 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...
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The heart is a muscular organ in most animals. This organ pumps blood through the blood vessels of the circulatory system. [1] The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs. [2]
30 de sept. de 2020 · Learn about the structure, function, and electrical system of the human heart, a muscular organ that pumps blood throughout the body. Find out how the heart rate, valves, blood pressure, and gas exchange work together to keep you healthy and strong.
26 de ene. de 2024 · Learn about the heart, the main organ of your cardiovascular system. Find out how it works, what parts it has, and what conditions can affect it.