Hormones (including Neurohormones):

1.are released from the source cell into the interstitial fluid where they diffuse to the target cell.
2.pass from the source cell to the target cell via Gap Junctions connecting the two cells.
3.are carried by the bloodstream from the source cell to the target cells some distance away from their site of release.
4.are also known as Second-messengers.
5.None of these is correct.


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Anatomy & Physiology

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