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Title: The hormone that appears to help regulate our sleep-awake cycles is: Post by: barry on Feb 17, 2014 The hormone that appears to help regulate our sleep-awake cycles is:
A) thymosin B) melatonin C) progesterone D) glucagon E) thyroxine Title: Re: The hormone that appears to help regulate our sleep-awake cycles is: Post by: padre on Feb 18, 2014 Content hidden
Title: Re: The hormone that appears to help regulate our sleep-awake cycles is: Post by: barry on Feb 19, 2014 Thanks.
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