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Google Earth es la versión digital más fotorrealista de nuestro planeta. ¿De dónde se obtienen las imágenes? ¿Cómo se combinan? ¿Con qué frecuencia se actualizan?
29 de nov. de 2023 · Heart, organ that serves as a pump to circulate the blood. It may be as simple as a straight tube, as in spiders and annelid worms, or as complex as the four-chambered double pump that is the center of the circulatory system in humans, other mammals, and birds. Learn more about the heart in this article.
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.
La American Heart Association explica los signos y síntomas más comunes de insuficiencia cardíaca y por qué se producen, y describe cómo reconocerlos.
RCP, primeros auxilios y atención cardiovascular de emergencia en todo el mundo. La American Heart Association (AHA) publica las Guías para reanimación cardiopulmonar (RCP) y atención cardiovascular de emergencia (ACE) científicas, que conforman la base de los protocolos que salvan vidas usados por profesionales de la salud, empresas y ...
21 de feb. de 2019 · Heart 101 | National Geographic. The human heart beats up to 3 billion times over an average lifespan. Learn about the anatomy of the heart and how this muscular organ provides life-giving...
26 de ago. de 2021 · Heart. Your heart is the main organ of your cardiovascular system, a network of blood vessels that pumps blood throughout your body. It also works with other body systems to control your heart rate and blood pressure. Your family history, personal health history and lifestyle all affect how well your heart works.
