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Written Assignment 5: Cell Signaling

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Written Assignment Unit 5
Cell Signaling

There are four types of signals that cells use to communicate with each other or themselves. Communication between cells is crucial to organization and management of internal structures and environments. Endocrine signaling is one of the ways cells communicate with other cells.
Endocrine signaling most naturally works with communicating with cells that are far away from each other. This long distance endocrine signaling works by releasing hormones into the circulatory system i.e., the bloodstream. For example, the pituitary gland in the brain is able to produce human growth hormone (HGH). The pituitary gland releases HGH into the bloodstream, where it will transport across the body to its receptor cells.

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