1 For example, Granite is a rock made of the minerals: quartz, mica, and other minerals. 2  Students will know that rocks and minerals are found in the earth's crust. 3  Students will realize that rocks and minerals are used to produce many important materials.
Muscle pain (myalgia) are pulling, gut-wrenching and spasmodic pain in the muscles: the term myalgia is composed of the Greek words myos for muscle and algos for pain. Muscle pain can spread (diffuse) or (local) occur in a certain place of the body.
Deborah A. Barrett. Fibromyalgia is a chronic condition characterized primarily by widespread pain throughout the body. The name fibromyalgia, introduced by Muhammad Yunus MD and his colleagues in 1981, literally means pain in the muscles and tissue. Fibro refers to the fascia or connective tissue, my to muscle, and algia to pain.