Question

How does swimming help to improve the physical fitness of an individual?

Answer 1

Answer:

by making our legs and hands strong

Answer 2

The physical fitness of an individual can be improved by swimming. The swimming activity is more important as it is not only the leisure it is for physical fitness too.    

Explanation:

The blood circulation increases, the body becomes flexible, the growth is augmented, the arms and legs are under complete active, muscles are strong enough to perform every activity. The physical fitness is encouraged and maintained at best by conducting swimming activity.