I went in this webside and I read all this website, I also search around this webside ,I saw some pircure inthis website.and I played a yuck game ,it is to hit the the cockroach, watch ot the cockroach will run away!
I felt that Nervous system is very impotant , becase if didn't have these things we will not have any fellings(dreaming ,tasting, seeing ,hearing ,etc)
http://www.historyforkids.org/scienceforkids/biology/animals/nervous/
I went in this website I saw some pitchers ,and I saw a like a chiken arm's musle pitcure(like the pitcure.),I seach in the webside .
I learn about that: brain give the command ,and the nerve conter the musle and than the arm can move.(brain command → nerve conter muscle→musle do it →can move the arm.)
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pitcure1:the Nervous system.
pitcure2:the cat's arm.
