This 2003 DVD examines four body systems: The skeletal system - function, bone and joint types. The muscular system - muscle structure and function, motor units and the nervous system, muscle fibre types, movement patterns and agonist / antagonist muscle actions. The respiratory system - lung structure and function, gaseous exchange and short-term effects of exercise. The circulatory system - structure and function of the heart and circulatory blood vessels and short-term effects of exercise. Key concepts are reviewed and supported with a set of student questions that accompany this DVD. Recommended for AS / A2 level PE and BTEC National Sport.