Paul Fey on Instagram: "Pirates of the Caribbean on the largest organ in the World! 🤩🎹 #organ #church #kirche #churchorgan #organistsofinstagram #organist #orgue #opera #classical #classic #musik #music #rome #newyork #boardwalk #boardwalkhall"

Smart Doctor Plus on Instagram: "Close Up of a Beating Heart | (Full) 🫀 . . The human heart is a vital organ that pumps blood throughout the body, supplying oxygen and nutrients while removing carbon dioxide and waste products. Here are some key points about the human heart: Anatomy: The heart has four chambers: two upper atria and two lower ventricles. The right side pumps deoxygenated blood to the lungs, while the left side pumps oxygenated blood to the rest of the body. Valves: There are fou

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