10-2. Organization of Muscles. 600 Human skeletal musclesGeneral structural and functional topicsmuscle shape and functionconnective tissues of musclecoordinated actions of muscle groups intrinsic and extrinsic musclesmuscle innervationRegional descriptions. 10-3. The Functions of Muscles. Movement of body parts and organ contentsMaintain posture and prevent movementCommunication - speech, expression and writingControl of openings and passagewaysHeat production.