Muscles are soft tissues in the body that can contract and relax, allowing movement of the body and its parts. They work together with bones, joints, and the nervous system.Types of Muscles1. Skeletal Muscles Attached to bonesUnder voluntary control (you can choose to move them)2. Smooth Muscles Found in organs (stomach, intestines, blood vessels)Involuntary (you can’t control them consciously)Help with digestion, blood flow, etc.3. Cardiac Muscle Found only in the heartInvoluntary and contracts rhythmicallyNever gets tired easilyFunctions of MusclesEnable movement of body partsHelp maintain posture and balanceProduce heat to keep the body warmProtect internal organsPump blood (heart muscle) and move substances inside the body (digestion, breathing)