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In vertebrates, the circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the body. [1] [2] It includes the cardiovascular system, or vascular system, that consists of the heart and blood vessels (from Greek kardia meaning heart, and Latin vascula meaning vessels).
Cerebral circulation is the movement of blood through a network of cerebral arteries and veins supplying the brain.The rate of cerebral blood flow in an adult human is typically 750 milliliters per minute, or about 15% of cardiac output.
El Sistema began under the leadership of José Antonio Abreu (7 May 1939 – 24 March 2018) with 11 students in an underground parking garage. [1] For many years, its official name was Fundación del Estado para el Sistema Nacional de las Orquestas Juveniles e Infantiles de Venezuela, (FESNOJIV), which is sometimes translated into English as "National Network of Youth and Children's Orchestras ...
The “Superman” actor died at age 52 in 2004 due to heart failure, nine years after his accident, while Dana Reeve died of lung cancer in 2006. Most of us have acknowledged grief connected to ...
El Tajín is a pre-Columbian archeological site in southern Mexico and is one of the largest and most important cities of the Classic era of Mesoamerica. A part of the Classic Veracruz culture , El Tajín flourished from 600 to 1200 AD and during this time numerous temples, palaces, ballcourts , and pyramids were built. [ 1 ]
Mark Robert Michael Wahlberg (born June 5, 1971), [1] formerly known by his stage name Marky Mark, [2] is an American actor and former rapper. His work as a leading man spans the comedy, drama, and action genres.
(The Center Square) – With just days before President-elect Donald Trump is sworn into office, outgoing Department of Homeland Security Secretary Alejandro Mayorkas issued a swath of immigration ...
Derek J. de Solla Price (1922–1983) with a model of the Antikythera mechanism. Captain Dimitrios Kontos (Δημήτριος Κοντός) and a crew of sponge divers from Symi island discovered the Antikythera wreck in early 1900, and recovered artefacts during the first expedition with the Hellenic Royal Navy, in 1900–01. [32]