Pain travels through the body at 350 feet per second!
23
The average tastebud lives only 10 days before it dies and is replaced by a new one.
15
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
The average person's skin weighs twice as much as their brain.
131
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
In older people, memory is best early in the morning and then declines during the late afternoon.
33
Enamel is hardest substance in the human body.
61
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