Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
It takes about 20 seconds for a red blood cell to circle the whole body.
102
You see your nose at all times, your brain just chooses to ignore it.
30
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
A fetus develops fingerprints at eighteen weeks!
32
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145