Muscular System AES question n answers graded A+

Muscular System AESHelps with body movement, supports body posture, produces heat, protects vital organs, helps move blood, food, and waste products through the body, opens and closes body openings - correct answer Functions of the muscular system The ability to respond to a stimulus, such as a nerve or hormone. Muscles can be stimulated electrically, mechanically, or chemically. - correct answer Excitability or Irritability The ability to shorten and produce movement when stimulated - correct answer Contractibility The ability to be stretched and lengthened - correct answer Extensibility The ability to return to its original shape after contracting or stretching - correct answer Elasticity Refers to the ability of muscles to be slightly contracted at all times, even when not in use. - correct answer Muscle Tone Three types of muscle - correct answer Cardiac, visceral or smooth, skeletal Forms the walls of the heart. When it contracts caused heart to beat to circulate blood. - correct answer Cardiac Muscle Found in hollow organs, in the walls of blood vessels, and in the eyes. Contracts to produce movement in these organs. - correct answer Visceral or smooth muscle Attached to the bones. Helps produce movement - correct answer Skeletal Muscle Muscles are attached to bones by bands of fibrous tissue which are called... - correct answer Tendons The end of the muscle that is connected to the bone that does not move is called - correct answer Origin The end connected to the bone that moves when the muscle contracts is called - correct answer Insertion A sheet of tough fibrous tissue that wraps around an individual muscle - correct answer Fascia Straightening a body part, which increases the angle of the joint - correct answer Extension Turning a body part around on its own axis to produce a circular or semi circular motion - correct answer Rotation Bending a body part, which decreases the angle of the joint - correct answer Flexion Reduction in size and strength of the muscle - correct answer Atrophy Torn or stretched muscles or tendons - correct answer Muscle Strain Refers to a group of muscle disorders with chronic pain in specific muscle sites. - correct answer Fibromyalgia Refers to a group of inherited diseases in which the muscles gradually atrophy, or waste away. - correct answer Muscular Dystrophy