Our Right Lungs takes more air than our left lung.
194
Yawns are more contagious among people with closer relationships.
163
Every year your body replaces 98% of your atoms.
119
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55