What Is the Uvula?
What Is the Uvula? The uvula is a small mass of muscle covered by mucous membrane that hangs down from the middle of the soft palate at the back of the mouth. The soft...
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Why Do We Bruise?
Why Do We Bruise? We bruise because the body has received a heavy blow which injures the bodily tissues without rupturing or tearing the outer covering of skin. A...
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How Are Stick-on Bandages Made?
How Are Stick-on Bandages Made? Most stick-on bandages are made of water-proof plastic. The bandages have gauze pads in the center, and they usually have holes in them...
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What Is Cell Culture?
Cell culture refers to the removal of cells from an animal or plant and their subsequent growth in a favorable artificial environment. The cells may be removed from...
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How Does a Clam Make Its Shell?
If you have ever examined a clam shell, you may have wondered how the shell got bigger as the clam grew. A clam is born with a shell just the right size for its body....
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