Shоrt Answer Sectiоn (4 pоints eаch): Six questions аre listed below, eаch worth 4 points. For full credit, you must answer five of the questions. If you choose to answer all six, you will be given bonus points. Partial credit will be given for each question. 1. Briefly describe the process of mastication. Be sure to include the correct names of the 4 muscles (that we discussed) involved in mastication, as well as how the function of each bone contributes to the process of chewing. 2. First, pick one muscle that moves the scapula and pectoral girdle. Then, describe its origin, insertion, and one important function of the muscle. 3. First, pick one muscle of the posterior thigh and leg. Then, describe its origin, insertion, and one important function of the muscle. 4. Briefly describe the important steps of an action potential. 5. Describe the structure of a sarcomere at rest. Be sure to include terms such as Z discs, I band, A band, H zone, zone of overlap, and which of these parts creates striations. 6. Briefly describe the important steps of the contraction phase during skeletal muscle contraction.