Refer to Figure 6.  Each of the people labeled with a letter…

Refer to Figure 6.  Each of the people labeled with a letter in this figure are using their facial muscles in order to emote.  What NUMBER on the figure is the DEPRESSOR ANGULI ORIS? [d] Which of these people is using their DEPRESSOR ANGULI ORIS the most? [a] Which of these people is using their DEPRESSOR ANGULI ORIS the least? [b] EXPLAIN your choices by relating the appearance of these faces to the actions of this muscle: [c]