Skin has several jobs: it holds the body together; it stops water and body fluids from leaking out ____ the body; it senses how things feel (touch); it stops germs and dirt from getting _____ the body; it can tell you when you have been hurt (pain).
As an adult, you may have more than 20 square feet of skin – about the size ___ a blanket.
You are likely to shed some 40 pounds of skin _____ a lifetime.
Right now there are over a million dust mites, microscopic critters invisible ____ the naked eye, on your mattress and pillow, chomping on the dead skin cells that fell off you last night!
You have around 100,000 hairs ____ your head.
If you could take off your skin and flatten it out you would have enough to make a sheet ____ your bed.
You lose skin cells all the time even when you are not moving around.
90% _____ household dust is dead skin cells.
Nobody has exactly the same fingerprints as anyone else.