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Facts 411 - 420

411. The human body has enough selenium to make 2,200 match heads!
412. The skin is rich in blood vessels that help regulate body temperature and provide nutrients to skin cells every day!
413. A group of guinea pigs is called a 'herd'!
414. The ear can process a wide range of sounds and frequencies, making it a remarkable sensory organ!
415. The sun's energy is generated through nuclear fusion in its core, where hydrogen atoms are converted into helium, releasing vast amounts of energy!
416. A group of wolves is correctly called a 'pack'!
417. Black holes are astronomical objects with an intense gravitational field that not even light can escape from!
418. The human body has enough iron to fill 4 nails!
419. Tornadoes are formed from severe thunderstorms, not by the moon blocking the sun!
420. A group of hedgehogs is called an 'array' or a 'prickle'!
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