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Unformatted text preview: hormones) is discontinued. Thus, in negative feedback, when the original (abnormal) condition has been repaired, or negated, corrective actions decrease or are discontinued. For example, the amount of glucose in the blood regulates the secretion of insulin and glucagons through negative feedback. The production of some hormones is regulated by positive feedback. In such a system, hormones cause a condition to intensify (rather than decrease). As the condition intensifies, hormone production increases. Such positive feedback is uncommon but does occur during childbirth (hormone levels build with increasingly intense labor contractions) and lactation (where hormone levels increase in response to nursing, which causes milk production to increase)....
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- Spring '10