They Don't Bite and Other Worm Facts You Need to Know

Unless we're digging in the yard or garden, we usually don't run across earthworms, but these tubular critters are Mother Nature's best garbage grinders and rototillers. Here are 22 facts you may not know.

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Slimy for a Reason

1. Worms breathe through their skin, aided by the layer of mucus that they secrete. If their skin dries out, they die. 2. Worms don't bite. They also don't sting. 3. They are cold-blooded animals, which means they don't maintain their own body heat but instead assume the temperature of their surroundings.