What are facts on the Integumentary system?

Answer:
Answer.

You are likely to shed some 40 pounds of skin in a lifetime.


Answer.
Some interesting facts:
Surface of approx 2 sq mtrs
One sixth body's mass.
Heaviest single organ.
Protective
Waterproof
Major sensory organ
Eyelids have the thinnest skin
Back has the thickest skin (dermis)
Sole of heel has the thickest skin (all layers)
Hair grows approx. 1 cm a month
Average head hair is around 120,000
Nails grow approx. .5 mm per week
Two to five million sweat glands are a bacteria haven
NOM NOM NOM
First answer by ID1202349364. Last edit by Incinerator64. Contributor trust: 0 Question popularity: 11 [recommend question].