1. There is a group of individuals with different type of body. The first one is fat, the middle one has a normal physique and last one is skinny
2. The second one. Out of the three physically he fits the standard of an average fit person. The first one got a big tummy that indicates being obese and the one on the right is below the average fit.
3. A person can be physically healthy depending on its physique and it able to perform and do such activities. A person who can do such tasks and still have energy left to have fun is what a physically fit human being is.