An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Unlike dogs, pigs, and some other mammals, humans cannot taste water. They taste only the chemicals and impurities in the water.
95
Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
The whiter your tongue, the more germs there are on it.
88
Each nostril of a human being register smell in a different way. Smells that are made from the right nostril are more pleasant than the left.
38
One quarter of the human brain is used to control the eyes.
43
A person can live without food for about a month, but only about a week without water.
156
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39