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...ial equation]]s that describes the evolution in time of the volumes of the heart chambers<ins>,</ins> and the blood pressures and fluxes through the [[blood ...e elastances. The unknowns of the system are the blood volumes inside each heart chamber, the blood pressures and fluxes inside each compartment of the circ ...

...hanced using a red-green look-up table) shows movement of the heart, heart valves, aorta, and alveoli of the lung and movement of the frog's throat during br ...([[African clawed frog|Xenopus laevis]]) shows the end positions of the [[heart valve]]s, aorta, and [[Pulmonary alveolus|alveoli]] of the lungs.<ref name= ...

...st=Peskin|first=Charles S|date=1972-10-01|title=Flow patterns around heart valves: A numerical method|journal=Journal of Computational Physics|volume=10|issu | title = Numerical analysis of blood flow in the heart ...

* Severe [[hemolysis]], e.g., some heart valves ...

...hat was entirely electronic and would contain between one and two thousand valves, was treated with incredulity at both the Telecommunications Research Estab ...insons cancelled. An improved Mark 2 Colossus (Colossus II) contained 2400 valves and first worked at Bletchley Park on 1 June 1944, just in time for the [[N ...

**{{annotated link|Heart}} ...and for people with heart disease, this additional workload can cause the heart to go into arrest. A person who survives the initial minute of trauma after ...

...o engineer, and music journalist; in [[Pasadena, California]] (died from a heart attack, 2024)<ref>{{Cite web|url=https://www.oxfordreference.com/view/10.10 ...ry implantation of an aortic allograft.<ref>Jan Dominik and Pavel Zacek, ''Heart Valve Surgery: An Illustrated Guide'' (Springer, 2008)p16</ref> ...

...1460–c. 1530), physician and anatomist who was the first to describe the [[heart valve]]s<ref>[http://www.britannica.com/EBchecked/topic/61603/Giacomo-Beren ...

{{defn|A record of the electrical activity of the heart.}} ...t the use of rotating machines, using electron devices such as mercury arc valves or {{gli|thyristor|thyristors}}.}} ...

...as geometrically correct steering, cylinder with detachable head, overhead valves and a centrifugal inlet valve regulator.<ref>{{Cite web|url=https://www.mus ...blood reaches the whole body, then it returns through the veins up to the heart. He used for the first time the term ''blood circulation'' and he demonstra ...

...ries]]) by opening, closing, or partially obstructing various passageways. Valves are technically [[Piping and plumbing fittings|fittings]], but are usually ...

|title=The Particle Odyssey: A Journey to the Heart of Matter ...