Now, you might think a worm living inside the human intestine sounds like something ... to absorb these nutrients directly through their skin. Because of this, large numbers of worms can lead ...

Human botfly larvae, for example, burrow under your skin, forming a pus-filled pimple. Meanwhile, thousands of young Loa loa worms can travel throughout your body —even across your eyeball!

A worm is a long, creeping animal, with a soft, often segmented body. They don't have legs but instead are covered in hairs or bristles that help them to move. They breathe through their skin ...