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The kidneys are important regulators of blood volume and thus MAP) and the ionic composition and pH of plasma. The amount of water reabsorbed or lost is hormonally regulated. Both the amount of blood that is iltered (glomerular filtration rate) and the amount of water that is reabsorbed is determined by hormones binding with receptors. In order to understand why the evel of any given hormone is elevated or low in the blo t is necessary to think in terms of homeostasis loops fc each hormone, and what the initial disturbance to omeostasis was In otber words "who started it"

The kidneys are important regulators of blood volume and thus MAP) and the ionic composition and pH of plasma. The amount of water reabsorbed or lost is hormonally regulated. Both the amount of blood that is iltered (glomerular filtration rate) and the amount of water that is reabsorbed is determined by hormones binding with receptors. In order to understand why the evel of any given hormone is elevated or low in the blo t is necessary to think in terms of homeostasis loops fc each hormone, and what the initial disturbance to omeostasis was In otber words "who started it"

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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The kidneys are important regulators of blood volume (and thus MAP) and the ionic composition and pH of plasma. The amount of water reabsorbed or lost is hormonally regulated. Both the amount of blood that is filtered (glomerular filtration rate) and the amount of water that is reabsorbed is determined by hormones binding with receptors. In order to understand why the level of any given hormone is elevated or low in the blood, it is necessary to think in terms of homeostasis loops for each hormone, and what the initial disturbance to homeostasis was. In other words "who started it"! What STEROID hormone is elevated by increased activation of the RAS pathway?
Transcribed Image Text:The kidneys are important regulators of blood volume (and thus MAP) and the ionic composition and pH of plasma. The amount of water reabsorbed or lost is hormonally regulated. Both the amount of blood that is filtered (glomerular filtration rate) and the amount of water that is reabsorbed is determined by hormones binding with receptors. In order to understand why the level of any given hormone is elevated or low in the blood, it is necessary to think in terms of homeostasis loops for each hormone, and what the initial disturbance to homeostasis was. In other words "who started it"! What STEROID hormone is elevated by increased activation of the RAS pathway?
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