The document provides information about simple ways to exercise such as walking for 20-30 minutes per day which will raise your heart rate and improve heart health. It notes that other forms of exercise include jogging, swimming, cycling, or dancing and that regular exercise will keep you fit, improve your muscles and joints, and enhance blood circulation and digestion. Students are asked to fill in blanks in a text about exercise with words related to time, activities, muscles, weakening, and stiffening using the provided notes.