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Find Heart Circulatory stock video, 4K footage, and other HD footage from iStock. Get higher quality Heart Circulatory content, for less—All of our 4K video clips are the same price as HD. Video Back ...

Jan. 21, 2025 — A team has unearthed new findings about what happens during the minutes and hours after a cell divides, expanding our understanding of human biology -- and potentially leading to ...

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The cells were produced from generic human stem cells that could be turned into multiple different cell types. Similar groups of cells had previously been shown to prevent heart failure in ...

National Institute of Diabetes and Digestive and Kidney Diseases. Acid reflux (GER & GERD) in adults. American Society of Gastrointestinal Endoscopy. Quick anatomy lesson: Human digestive system.

A guest essayist said students shouldn’t get an A for simply putting in hard work. We asked teenagers what they thought. By The Learning Network What do you know about the Harlem Renaissance ...

The heart is a muscular organ roughly the size of your fist. As the heart muscle contracts, it propels the blood out into the vascular system. The heart’s chambers and valves are arranged to direct ...

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Monogamy and Polyamory Are people naturally monogamous or polygamous? Created with Sketch. Human societies did not begin to embrace monogamy until the advent of monotheistic religions and the ...

7, 2025 — In a large-animal model study, researchers have found that heart attack recovery is aided by injection of heart muscle cell spheroids derived from human induced pluripotent stem cells ...

The US Program leads with the principle of racial justice and equity as a fundamental human right providing the foundational, over-arching, and unifying theme for all our work. Our strategic ...