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24 de mar. de 2022 · The heart is made of three layers of tissue. Endocardium is the thin inner lining of the heart chambers and also forms the surface of the valves.; Myocardium is the thick middle layer of muscle that allows your heart chambers to contract and relax to pump blood to your body.; Pericardium is the sac that surrounds your heart. Made of thin layers of tissue, it holds the heart in place and ...
Heart Anatomy. Your heart is located between your lungs in the middle of your chest, behind and slightly to the left of your breastbone (sternum). A double-layered membrane called the pericardium surrounds your heart like a sac. The outer layer of the pericardium surrounds the roots of your heart's major blood vessels and is attached by ...
4 de sept. de 2022 · The heart rate is the number of times the heart beats in one minute. A healthy adult's resting heart rate varies between 60 and 100 beats a minute. Children usually have higher heart rates.
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6 de jun. de 2014 · Do you want to learn more about the anatomy and function of the human heart? Watch this 3D medical animation that shows how the heart pumps blood throughout the body and what happens when it is ...
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16 de mar. de 2024 · The Human Employment and Resource Training Trust/National Service Training Agency, known to most Jamaicans simply as ‘HEART,’ is the leading provider of Technical Vocational Education and Training in Jamaica. As a human development agency, for more than three decades, we have impacted every major industry and community in Jamaica, with an ...
