NROC61H3 Chapter 16: Chapter 16.docx
21 Apr 2012
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Document Summary
The ht plays important roles in body temp, fluid balance and energy balance. A response occurs when there is an imbalance in homeostasis: humoral response: appropriate pituitary hormones released into blood, visceromotor: ans outputs adjusted accordingly, somatic motor: somatic motor behavioral response. We eat to maintain energy at a certain level (below which cell death and organism death will occur) Prandial state: after we eat, we are in a prandial state (blood is filled w/ nutrients). There are two types of energy storage macromolecules assembled by anabolic metabolism, glycogen (finite reserves in liver and skeletal muscle) and triglycerides (stored by adipose tissue). Postabsorptive state: catabolism breaks down the complex macromolecules into simpler nutrients for cellular respiration. Glucose is used by all cells, and fatty acids and ketones are needed for non- neurons. We must have a balance between catabolism and anabolism. Catabolism > anabolism = adiposity decreases = starvation. Hormonal and ht regulation of body fat and feeding.
