Answer:
2. By increasing muscular strength and endurance
3. By improving cardiorespiratory fitness
4.By increasing levels of flexibility
6.By improving the body's proportion of lean mass to fat
Step-by-step explanation:
The well rounded exercise program aims to give the person that is doing it a better and healthier body, the body type of people can´t be changed by exercise, and it has nothing to do with being an olympic marathin runner, the basic is a general improvement in the physical abilities of the person, that´s why the best optiones are 2,3, 4 and 6.