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
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
From the age of thirty, humans gradually begin to shrink in size.
1
The average sperm cell swims at 8 inches per hour.
76
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Men get hiccups more often than women.
93
The average person's skin weighs twice as much as their brain.
131