[Sperm] has external opening [Right] covered with membrane [0] 
ear (very minute)
m a t h e m a t i c a l s y m m e t r y
c h a r a c t e r
p e r v a d i n g d i g n i t y
e y e
e a r ( v e r y m i n u t e )
m o u t h
s p i r a c l e s