Fill in each numbered gap with ONE suitable word. (20 points)

                                                        LAUGHTER

You not only laugh more whem you are relaxed, but you (1)___also _____relax when you laugh, and it has been found that when you’re on holiday it is easier to do both. But for (2)___some _____people laughter is not just a pleasure, it is a (3)__way ______of fighting illness. Some hospitals have begun to bring in clowns to relieve the silent, depressing atmosphere, especially in children’s wards. This scheme is (4)__called ______ “Medical Smile” and it helps sick children in a way that doctors, with all their knowledge, can’t do. The effect of the clowns is more than psychological. Laughter helps strengthen the immune (5)___system_____ - that is, the part of our bodies (6)__which ______fights off disease. We take (7)__in______more oxygen when we laugh, (8)__and______our heartbeat slows down . Hospital clowns are becoming more and more popular (9)__because ______of the positive effect they have. They both relieve depression, which tends to (10)_make_______ illnesses worse, and give people the will to fight their illnesses themselves.