IV. Choose the word (A, B, C or D) that best fits each blank space in the following passage.
Most of us usually listen to music for relaxation, but do we know that it can help (17) ______ our overall health. Researchers at Stanford University have proved the (18) ______ power of music. Happy, upbeat music causes our brains to produce (19) ______ like dopamine and serotonin, which can be considered natural antidepressants. This leads to the clinical use of music to help those with psychological, cognitive or communicative needs.
One of the main reasons for the success of music therapy is that music keeps our cardiovascular system (20) ______ tune. Performing or listening to music can (21) ______ our heartbeat, either accelerating it if there is a higher bpm on the track or (22) ______ it down when we hear more relaxing beats.
(Adapted from www.pplprs.co.uk)
