1. 1) The five components of fitness described in this chapter are : a) Cardio respiratory endurance : - This means the ability of the heart and lungs to deliver oxygen to the muscles during physical activity . b) Muscular strength – It refers to the strength to lift heavy objects . c) Muscular endurance- It refers to the no of times we can move the weight without getting endurance. d) Flexibility – The quality of bending easily without breaking . e)Body composition - different components of the body like muscle, bone, fat, water and minerals.