The integumentary system includes the skin and the skin derivatives hair, nails, and glands.
Fact: The integument is the body’s largest organ and accounts for 15% of body weight.
![]() Don't stick out your tongue if you want to hide your identity. Similar to fingerprints, everyone also has a unique tongue print!
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Your pet isn't the only one in the house with a shedding problem. Humans shed about 600,000 particles of skin every hour. That works out to about 1.5 pounds each year, so the average person will lose around 105 pounds of skin by age 70.
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