When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Your body is creating and killing about 2.4 million red blood cells per second.
17
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The average person's skin weighs twice as much as their brain.
131
Our Right Lungs takes more air than our left lung.
194
Enamel is hardest substance in the human body.
61
Yawns are more contagious among people with closer relationships.
163