The average sperm cell swims at 8 inches per hour.
76
A human being loses an average of 40 to 100 strands of hair a day.
133
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
There are about 1,400 different species of bacteria in your belly button.
10
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The human sigh acts as a physiological reset button.
23
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16