input: [0] Arthropoda [1] Open system with a dordal heart and sinuses [2] Gills, Tracheal system, book lungs [3] see Annelida [4] Sexual: hermaphroditic, seperate sexes, some parthenogenic [5] Malpighian tubules, green glands [6] Anterior brain and a ventral nerve cord [8] Complex muscular system. [7] 
output: Exoskeleton made of chitin
options: S k e l e t a l
options: S p i c u l e s
options: N o n e
options: S o m e c o n t a i n s h e l l s
options: E x o s k e l e t o n m a d e o f c h i t i n