Amazing human body facts.•
Humans and dolphins are the only species that have sex for pleasure.• Humans are bio-luminescent and glow in the dark. The light that we emit is 1,000 times weaker than our human eyes are able to pickup.• Humans are extremely visual; 90% of the information we gather from our surroundings is from our eyesight.• Humans are the best long distance runners on the planet. Better than any four-legged animal.• Humans are the only animals to produce emotional tears.• Humans are the only mammal that cannot swallow and breathe at the same time.• Humans are the only primates that don't have pigment in the palms of their hands.• Humans can make do longer without food than sleep.• Humans have 46 chromosomes, peas have 14 and crayfish have 200.• Humans have more facial muscles than any other animal on earth
- 22 on each side of the face.• Humans have the ability to differentiate about 10,000 odors.• Humans share 50% of their DNA with bananas.• Humans shed about 600,000 particles of skin every hour - about 1.5 pounds a year. By 70 years of age, an average person will have lost 105 pounds of skin.• Humans shed and regrow outer skin cells about every 27 days.• Identical twins have identical DNA but not identical fingerprints.