Chapter 40 Hormones and Endocrine Systems This chapter has been enti cuss rearranged from the previous edition. The categories of hormones argon distend as atomic number 18 the biochemical cropivities evoked by the individual(a) hormones. Each secreters hormones argon described individually. Many internal secretion-related disorders are described, including a detailed discussion of diabetes mellitus. A Science concentrate on concussion discusses Isolation of Insulin. Chapter Outline 40.1 Endocrine Glands 1. The ductless gland frame functions differently from the restless system. 2. An endocrine system consists of glands that coordinate organic structure activities through hormones. 3. In contrast to the exocrine glands, which fork up ducts leadership to other variety meat or outside the body, the endocrine glands secrete their products into the bloodstream, which delivers them throughout the body. 4. chemical substance signals are apply amid individuals, amid body parts, and in the midst of cells. 5. Both the nervous system and the endocrine system rely on negative feedback mechanisms. A. Hormones Are chemical substance Signals 1.
Chemical signals are a means of communication mingled with cells, body parts, or individuals. 2. In general, they bushel the metabolism of the cells that have receptors for them. 3. Most hormones act at a distance between body parts, change of location through the bloodstream from the gland to the target cell. 4. Some hormones (e.g., prostaglandins, fruit factors) are local hormonesth ey affect only neighboring cells. 5. Ph! eromones are environmental signals that act at a distance between individual organisms. a. Women may contemporise their menstrual cycles with women who live in their household, and a particular pheromone...If you extremity to get a replete(p) essay, order it on our website:
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