4_25_07 - April 25, 2007 Biology 130 Homeostasis Thyroid...

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April 25, 2007 Biology 130 Homeostasis Thyroid releasing hormone go from hypothalamus to anterior pituitary Thyroid stimulating hormone go from pituitary to thyroid Two thyroidgloublins released o T3 and T4, thyroxin o T4 breaks down in to T3, the more active form See figure 45.11 – memorize o Parathyroid glad is posterior to the pituitary o Not enough calcium, its broken down in the bones Calcium used for nerve stimulation, muscle contraction, and one other one Digestive System Maintenance of glucose homeostasis by insulin and glucagen See figure 48.12 Negative feedback Glucagon stimulates breakdown of glucagen Figure 40.7 0 bioenergetics of an animal o Organic molecules o Broken down dehydration reactions o Used to make new organic molecules o Catabolized in cellular aerobic respiration to make ATP Figure 41.15 o Names of organs - salivary glands o Amalyse digests amalose – breakdown of carbohydrates o Trachea is always open. Esophagus is collapsed unless taking in food
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This note was uploaded on 09/29/2009 for the course NPB NPB 101 taught by Professor Weidner/wingfield during the Spring '08 term at UC Davis.

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4_25_07 - April 25, 2007 Biology 130 Homeostasis Thyroid...

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