Home > Human Body > June 10, 2014 Human Body Within three days of death, the enzymes that once digests your food begin to eat you. Share this:FacebookTwitterGoogle Related Posts If your hand or arm ‘falls asleep’, you can often ‘wake it up’ by shaking your head. We have been infected by so many viruses that 8% of our DNA is made up of them. A hug that lasts for 20 seconds releases oxytocin Because of a genetic oddity that happens when identical twins marry identical twins, the children of the couples will be full genetic siblings. Having an orgasm at least 3 times a week reduces your likelihood of dying from heart disease by 50%. The human brain (mass-tissue) does not have pain receptors thus brain surgery is performed while people are awake. A condition called False Awakening occurs when you’re dreaming that you’re woken up, but still are in deep sleep. Suppressing a sneeze can rupture your blood vessels and can cause serious neck injuries. Facial hair strongly influences women’s perception of men’s attractiveness If you stay up all night your body burns an extra 161 calories.