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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.
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...
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.
Hearts is a classic card game where you try to get as few points as possible by avoiding hearts and the queen of spades. You can play it online with other players or against the computer, and choose your own difficulty level. Learn the rules, strategies and tips for this fun and challenging game.
Heart - Wikipedia. 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.
12 de nov. de 2023 · Learn about the heart's anatomy, function, and associated conditions, such as coronary artery disease, arrhythmias, and heart failure. Find out how the heart is composed of four chambers and four valves that pump blood through the body and circulate oxygen and nutrients to all the cells, tissues, and organs.