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Does dinosaur have two head?
From;  Author:Stand originally
Some dinosaur still have two head really, for instance stegosaurus and large Xi base kind dinosaur is such. Stegosaurus has elephant big in that way, and the head is so small however that the head have pity on. Its brain has a walnut only so big, gram of heavy York " 100 cannot fulfil the heavy responsibility that directs the whole body. And its coxal and vertebral unusual expand, the face accommodates the spinal cord of expand in, call nerve ball. This nerve ball wants than true head 20 times bigger, be in charge of be in charge of the motion of hind legs and rear. Around two brain cooperate with division of labour, mutual help. Large Xi base kind dinosaur also has two head.