A human being loses an average of 40 to 100 strands of hair a day.
133
The average person's skin weighs twice as much as their brain.
131
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Your heart will pump about 212 million liters in its lifetime.
26
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
You forget 90% of your dreams.
256