PART A 1. Write a definition of "Fitness" in your own words.Fitness is when someone can work out or exercise for a long period of time without his or her muscles becoming tired or exhausted.2. List an exercise that would help you develop: a. Cardio-Vascular Fitness Distance Swimming, Bike Riding, Aerobics, Running, Skipping b. Strength Weight Lifting, Swimming, Cycling, Running, Walking.c. Flexibility Gymnastics, Dancing, Ballet, Stretching, Yoga, Martial Arts.3. Why is it important for people of all ages to keep fit? It is important for people of all ages to keep fit because good health and exercise will help us grow older and it is also important for people that want to look and feel good.4. Although their overall fitness should be improving, many girls become lee fit after about twelve years of age? Why do you think this happens? Girls may become less fit after the age of twelve because other issues may become more importa...