Tapeworms are flat worms that live in a person's digestive tract. They can grow to more than 82 feet (30 meters) and live as long as 30 years. Tapeworms are parasites. As you probably know from biology class, parasites are organisms that live in, or on, other organisms (called hosts).
Gluon definition, an unobserved massless particle with spin 1 that is believed to transmit the strong force between quarks, binding them together into baryons and mesons. See more. Dictionary.com
Gluten is a protein found in wheat, rye, and barley; in products made from these grains, such as barley malt and couscous; and in related hybrid grains like triticale and kamut. People with celiac disease, gluten intolerance, or a wheat allergy suffer various symptoms when they consume foods containing gluten.