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4 days ago · From the mega hit Any Human Heart (2002), later adapted into a Channel 4 drama starring Matthew Macfadyen and Hayley Atwell, to his 2013 James Bond novel Solo, Boyd’s versatile output has...
2 days ago · The heart is a muscular organ found 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 ]
2 days ago · 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 Editors of Encyclopaedia Britannica
- In humans, the heart is situated between the two lungs and slightly to the left of center, behind the breastbone. It rests on the diaphragm, the mu...
- The heart consists of several layers of a tough muscular wall, the myocardium. A thin layer of tissue, the pericardium, covers the outside, and ano...
- The pumping of the heart, or the heartbeat, is caused by alternating contractions and relaxations of the myocardium. These contractions are stimula...
- The rhythmic noises accompanying the heartbeat are called heart sounds. The two distinct sounds are heard, a low, slightly prolonged “lub” (first s...
3 days ago · The human heart shows signs of ageing after just a month in space. Researchers sent engineered heart tissue to the International Space Station and measured how it faired. By. Gemma Conroy. NASA...
4 days ago · After Heart postponed its 2024 concerts back in July due to Ann's cancer diagnosis, the "Barracuda" band announced a new slate of 2025 dates for the Royal Flush Tour earlier this month.
3 days ago · The 3D structure was designed to simulate the environment of an adult human heart, fitting into a chamber half the size of a cell phone. Astronaut Jessica Meir at the ISS changed the liquid nutrients around the tissues weekly and preserved samples for gene analysis and imaging.
1 day ago · While plenty is known about the healthy heart, the bulk of study in cardiology is in disorders of the heart and restoration, and where possible, of function. The heart is a muscle that squeezes blood and functions like a pump.
