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  2. Viva la Vida or Death and All His Friends - Wikipedia

    en.wikipedia.org/wiki/Viva_la_Vida_or_Death_and...

    A portion of the lyrics is used on the top of it. The visual design for "Reign of Love" has its lyrics drawn on a green background. In the middle of the booklet, most of the lyrics of the album are shown amidst an unrecognisable object. The artwork for "Yes" consists of a ripped heart, and a line from the song, "Lord lead me not into temptation".

  3. Anatomy of the human heart - Wikipedia

    en.wikipedia.org/wiki/Anatomy_of_the_human_heart

    The heart is a muscular organ situated in the mediastinum.It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system. The left and right sides of the heart have different functions: the right side receives de-oxygenated blood through the superior and inferior venae cavae and pumps blood to the lungs through the pulmonary artery, and the left ...

  4. Let It Be (song) - Wikipedia

    en.wikipedia.org/wiki/Let_It_Be_(song)

    "Let It Be" is a song by the English rock band the Beatles, released on 6 March 1970 as a single, and (in an alternative mix) as the title track of their album Let It Be. It was written and sung by Paul McCartney , and credited to the Lennon–McCartney partnership though John Lennon reportedly loathed the song. [ 4 ]

  5. Circulatory system - Wikipedia

    en.wikipedia.org/wiki/Circulatory_system

    The circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the entire body of a human or other vertebrate. [1] [2] It includes the cardiovascular system, or vascular system, that consists of the heart and blood vessels (from Greek kardia meaning heart, and from Latin vascula ...

  6. Cardiac cycle - Wikipedia

    en.wikipedia.org/wiki/Cardiac_cycle

    See media help. The cardiac cycle is the performance of the human heart from the beginning of one heartbeat to the beginning of the next. [1] It consists of two periods: one during which the heart muscle relaxes and refills with blood, called diastole, following a period of robust contraction and pumping of blood, called systole. [1]

  7. Coronary arteries - Wikipedia

    en.wikipedia.org/wiki/Coronary_arteries

    Coronary arteries. The coronary arteries are the arterial blood vessels of coronary circulation, which transport oxygenated blood to the heart muscle. The heart requires a continuous supply of oxygen to function and survive, much like any other tissue or organ of the body. [ 1]

  8. Mesothelium - Wikipedia

    en.wikipedia.org/wiki/Mesothelium

    The mesothelium is composed of an extensive monolayer of specialized cells (mesothelial cells) that line the body's serous cavities and internal organs. The main purpose of these cells is to produce a lubricating fluid that is released between layers, [4] providing a slippery, non-adhesive, and protective surface to facilitate intracoelomic ...

  9. Beck's triad (cardiology) - Wikipedia

    en.wikipedia.org/wiki/Beck's_triad_(cardiology)

    Beck's triad is a collection of three medical signs associated with acute cardiac tamponade, a medical emergency when excessive fluid accumulates in the pericardial sac around the heart and impairs its ability to pump blood. The signs are low arterial blood pressure, distended neck veins, and distant, muffled heart sounds.