The largest cell in the human body is the female egg and the smallest is the male sperm.
682
The human body contains over a billion miles of DNA.
147
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
The average person's skin weighs twice as much as their brain.
131
Yawns are more contagious among people with closer relationships.
163
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Enamel is hardest substance in the human body.
61
Poor eyesight (myopia) is associated with higher IQ.
232