(a) What muscles develop from the embryonic structures called somitomeres? (b) What are the major groups of pharyngeal arch (branchiomeric) muscles? (c) What three constrictor muscles squeeze...

(a) What muscles develop from the embryonic structures called somitomeres? (b) What are the major groups of pharyngeal arch (branchiomeric) muscles? (c) What three constrictor muscles squeeze swallowed food through the pharynx to the esophagus?