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Today i learned about the human excretory system. ES consist of a pair of kidneys, one pairs of ureters, a urinary bladder and a urethra. Kidneys are reddish brown bean shaped structure situated b/w the last thoracic & 3rd lumbar vertebra close 2 the dorsal inner wall of the abdominal cavity.

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JZE4 TIL that Pinball was considered gambling and banned between the 1940s to 1976. It ended when enthusiast Roger Sharpe played it before a committee and called out precisely what he was going to shoot for, and then did so. The ban was lifted since he had proven it was a game of skill, not chance.
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