Fill in the gaps in the following text by adding suffix, prefix or both with the root words given in the brackets.

Sound health is the (a) _____ (come) of physical exercise in a regulated form. (b) _____ (regulate) form of exercise or over-exercise is injurious to health. Remember that if you take physical exercise, you must not be irregular Physical exercise increases our appetite and improves digestive power. If anybody suffers from (c) ______ (digest) he should take physical exercise. Proper digestion of food removes his loss of appetite. Physical exercise removes (d) _____ (constipate) and helps proper blood (e) _______ (circulate).