Digestion is the breakdown of food into smaller particles or individual nutrients<span>. It is accomplished through six basic processes, with the help of several body fluids—particularly digestive juices that are made up of compounds such as saliva, mucus, </span>enzymes<span>, hydrochloric acid, bicarbonate, and </span>bile<span>.</span>
Look at your R-R ratio, depending on the time segment attributed to each square you can then do the math and find time between waves, then find the number of R waves in minute