INTRESTING FACTS
The human body is made up of approximately 37 trillion cells, each playing a specific role to keep us alive and functioning 1 . You are tallest when you first wake up in the morning, as gravity decompresses the cartilage in your spine while lying down during sleep 2 . Humans shed about 40 pounds of skin over their lifetime, constantly renewing the outer layer 2 . Your heart beats around 100,000 times per day, pumping about 2,000 gallons of blood daily 2 . Babies are born without fully ossified kneecaps; these start as cartilage and gradually harden into bone 1 . The human brain can store around 2.5 petabytes of data, roughly equivalent to three million hours of TV shows 1 . Humans share about 98.8% of their DNA with chimpanzees and are the only animals that cry emotional tears 2 .
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