It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Our Right Lungs takes more air than our left lung.
194
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The human brain doesn't stop developing until about 25 years old.
102
Yawns are more contagious among people with closer relationships.
163
When you take a step, you are using up to 200 muscles.
886