Define what endocrine glands are. What are the secretions of endocrine glands called? How do they get to the target cells? Consider the components of cell.

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Define what endocrine glands are. What are the secretions of endocrine glands called? How do they get to the target cells? Consider the components of cell communication. What component would a hormone be? What part of nervous communication would be similar to a hormone? How is this component different? An other connection between the endocrine and nervous systems is neuroendocrine communication. How do you think this system would work? An other substance that is similar to hormones is a pheromone. How are these two substances similar? How are they different?