Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Only humans shed emotional tears.
331
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Our Right Lungs takes more air than our left lung.
194
Your heart will pump about 212 million liters in its lifetime.
26
The world's shortest man measures only 21.5 inches.
73
Tigers can see 6 times better at night than humans.
305