11.D
12.A
13.B
14.B
15.A
16.B
17.D
18.D
19.A
20.A
21.B
Hope this helps:))
Progressive muscle relaxation is a very effecient technique that is used for a person suffering from stress and anxiety. It is a technique that has also been applied in case of those people that are suffering from insomnia. Chronic pain has also been treated by the method of Progressive Muscle Relaxation or PMR. Stress and anxiety can deteriorate the health of a person along with creating disturbance in the digesion of food. So this technique can be useful for a person under numerous circumstances that can negatively affect the life of person.
