It takes approximately 12 hours for food to entirely digest.
93
The human sigh acts as a physiological reset button.
23
A man's beard grows fastest when he anticipates sex.
239
The average person's skin weighs twice as much as their brain.
131
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Mushrooms are more closely related to humans than they are to plants.
47
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132