Your heart rate can rise as much as 30% during a yawn.
69
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
Most dreams last only 5 to 20 minutes.
79
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
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
Within three days of death, the enzymes that once digested your food begin to eat you.
22
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12