Labels:booth | bulletin board | comic book | monitor | oven | person | poster | press | stove OCR: HELP to the Nervous System Introduction What makes you pull Y our tano away Trom yery hot object? What makes your eyes water when you get dirt in them? The answer is your nervous system Tissues called nerves send messages to your br ain about the outside world. Your brain then sends messages to your muscles and -organs to .make them do something about the situation This part of the CD ROM introduces the nervous system. hand from introcuces
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