Your heart rate can rise as much as 30% during a yawn.
69
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
Pain travels through your body at 350 ft. per second.
36
More people have a phobia of frogs than rats.
41
Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22