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The heart is a muscular organ found in most animals.This organ pumps blood through the blood vessels. [1] Heart and blood vessels together make the circulatory system. [2] The pumped blood carries oxygen and nutrients to the tissue, while carrying metabolic waste such as carbon dioxide to the lungs. [3]
Silver coins from the ancient Libya of the 6th to 5th centuries BC bear images strongly reminiscent of the heart symbol, sometimes accompanied by images of the silphium plant. [ 36 ] [ 37 ] The related Ferula species asafoetida – which was actually used as an inferior substitute for silphium – is regarded as an aphrodisiac in Tibet and ...
The heart is the first functional organ in vertebrate embryos. The tubular heart quickly differentiates into the truncus arteriosus, bulbus cordis, primitive ventricle, primitive atrium, and the sinus venosus. The truncus arteriosus splits into the ascending aorta and the pulmonary trunk. The bulbus cordis forms part of the ventricles.
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For all structures except the heart, the images are usually taken using a technique called digital subtraction angiography or DSA. Images in this case are usually taken at 2–3 frames per second, which allows the interventional radiologist to evaluate the flow of the blood through a vessel or vessels. This technique "subtracts" the bones and ...
Image credits: galina_totorina Bored Panda reached out to Galina to learn more about short haircuts from her perspective.. She shared what inspired her to challenge the traditional notion that ...