Communication Between Cells Is Key to Organism-Level Regulation of the Internal

question 91

Essay

Communication between cells is key to organism-level regulation of the internal environment to maintain health, that is, nearly constant internal conditions (homeostasis). Outline and compare the intercellular communication pathways that function to provide homeostasis.

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Definitions:

Dependent Variables

Variables in an experiment that are expected to change as a result of the manipulation of the independent variable.

Hormone Levels

The concentration of hormones in the bloodstream, which can affect various bodily functions.

Female Hormonal Cycle

The monthly cycle of changes in the female reproductive system, primarily influenced by the hormones estrogen and progesterone.

Follicles

Small secretory cavities or glands, especially those in the skin that produce hair, or in the ovaries that release eggs.