The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
A toothbrush within 6 feet of a toilet can get airborne bacteria from flushing.
15
The first patented condom was meant to be reused!
47
Research indicates that babies who suck on pacifiers are more prone to ear aches.
21
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
There are about 1,400 different species of bacteria in your belly button.
10
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6