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1 giorno fa · A common tale of the history of the heart symbol has it originating in Ancient Greece and Rome, as a motif representing the heart-shaped seeds of the now-extinct herb from North Africa, silphium ...
3 giorni fa · Two studies examined mummies from seven different cultures spanning more than 5,000 years, the results revealed definite or probable atherosclerosis in more than a third of the individuals. The genetic risk factors for atherosclerosis were present in all the mummified remains investigated. The HORUS Group is an international team of ...
5 giorni fa · 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.
- 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...
4 giorni fa · The Heart Sūtra [note 1] is a popular sutra in Mahāyāna Buddhism. In Sanskrit, the title Prajñāpāramitāhṛdaya translates as "The Heart of the Perfection of Wisdom ". The Sutra famously states, "Form is emptiness ( śūnyatā ), emptiness is form."
3 giorni fa · An ancient heart and a projection into the future. Must See. Saluzzo, an ancient capital. Saluzzo is a typical city of medieval origin: cobbled streets and squares, narrow stairways, ancient churches, and elegant noble palaces with their gardens make up the fabric of the historic centre.
4 giorni fa · Unveiling Morocco’s Ancient Heart – Fes. Forget the bustling markets of Marrakech, the windswept sands of the Sahara, or the surfer havens of Essaouira. In this blog, we’re diving headfirst into the labyrinthine magic of Fes, Morocco’s oldest and one of the most captivating cities.
2 giorni fa · He used the ancient Greek term pepeiramenoi to mean observations, or at most investigative procedures like dissection. In Generation of Animals, he finds a fertilized hen's egg of a suitable stage and opens it to see the embryo's heart beating inside.
