2. A hormone that is produced by the endocrine system targets specific
cells ir many different parts of the body. Which of the following
mechanisms explains the best way for the hormone to efficiently reach all
of its target cells?
The hormone is released into the bloodstream where it can be carried throughout the
body to the target cells with specific receptors
The hormone reacts with neurons close by that signal the target cells throughout the
body
The hormone is transported by local regulation to cells close by that trigger the target
cells
The hormones moves throughout all the cells until it reaches the cells with the
specific receptors for the signal