Your tongue is the only muscle in your body that is attached at only one end.
173
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
The tongue is the strongest muscle in the human body.
50
Your body is creating and killing 15 million red blood cells per second.
50
Redheads require up to 20% more anesthesia to be knocked out.
112
