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Facts 281 - 290

281. During the Industrial Revolution, machines revolutionized industry!
282. The human body contains approximately 5 liters of blood in total, not 20 gallons in the nose alone!
283. A pinch of cinnamon can add delightful flavor to many loaves of bread!
284. Electricity was not discovered in ancient times, but its understanding and practical use began in the 17th and 18th centuries!
285. The human eye process visual information!
286. In the late 1960s, the internet was born and began its incredible journey connecting people worldwide!
287. The human nose produce mucus to trap particles!
288. The human heart pumps approximately 1.7 liters of blood per minute!
289. The human body has enough tin to make a small nail!
290. The human body contains enough calcium to build a small skeleton!
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