Endocrine

are there any enzymes that are excreted as hormones i:e into the blood. :?

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... muscle action, breathing movements, diameter of blood vessels, heart rate... Hypothalamus and pituitary gland united the nervous system with the endocrine system. I'm leaning towards Medulla, would I be correct with that answer? Thank you so much in advance!!

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... unattached but (as I see it) "swim" in a solution....What is that solution? and for the other cells...amoung many such as nerve cells, endocrine cells....or anyone else... thanks! It will help me for my understanding.....THX alex

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Here is some more help, also there are other vids on that site about the same subject. Hope it helps. http://studio4learning.tv/sciences/anatomy/endocrine-reproductive-systems/reproductive-system/ B

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So wasn't exactly sure which forum this question would get results from so I'm asking it here. In mammals, is the endocrine system the same across all species? Like are ALL the hormones exactly the same and physiological role the same? I believe they are the same. I am presenting ...

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