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.
The muscle cell is a muscle fiber. The term muscle cell and muscle fiber are synonymous. A myofibril is a longitudinal bundle of myofilaments within a muscle cell. Myocardium is the muscular layer of the heart.Thus, the myocardium is composed of cardiac muscle.he muscle cell is a muscle fiber. The term muscle cell and muscle fiber are synonymous. A myofibril is a longitudinal bundle of myofilaments within a muscle cell. Myocardium is the muscular layer of the heart. Thus, the myocardium is composed of cardiac muscle.