Which therapy treats patients at the psychological and spiritual levels? A. Jungian therapy
B. Reality therapy
C. Psychosynthesis
D. Person-centered therapy

fumikage isn't really a bird, and tsuyu does have teeth. tsuyu has a transformation quirk which still allows her to be partially human. otherwise we'd have a large frog running around. fumikage has teeth because again, he isn't a bird. his head was a quirk mixture if i'm correct.

c.           is the correct answer

friedrich meischer discovered it in white blood cell