Directions: Fill I, II, III and IV with P, Q, R and S to make a meaningful story.

We know that sleep, rest and exercise are essential for health; walking is, in fact, the best form of the exercise. So, __I___ is very useful. It provides exercise to the body and freshness to the mind. A morning walk exercises many parts of the body-legs, arms, waist and chest. II_ improves the working of the lungs. It increases appetite and regulates digestion. As a result; we feel active __(III). The cool morning breeze _IV__. It recreates the mind and gives new energy to the body for the day's work.

P. is very refreshing Q. fresh air R. as well as fit S. a regular morning walk