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Explain how water levels in the body influence the thirst cycle. Identify the main route by which water leaves the body. Describe the role of ADH and aldosterone and their effect on body water levels. Define dehydration and identify common causes of dehydration.
Human beings are mostly water, ranging from about 75 percent of body mass in infants to about 50–60 percent in adult men and women, to as low as 45 percent in old age. The percent of body water changes with development, because the proportions of the body given over to each organ and to muscles, fat, bone, and other tissues change from ...
Explain how water levels in the body influence the thirst cycle; Identify the main route by which water leaves the body; Describe the role of ADH and its effect on body water levels; Define dehydration and identify common causes of dehydration
Identify the primary mechanisms of capillary exchange. Distinguish between capillary hydrostatic pressure and blood colloid osmotic pressure, explaining the contribution of each to net filtration pressure. Compare filtration and reabsorption. Explain the fate of fluid that is not reabsorbed from the tissues into the vascular capillaries.
Explain how water levels in the body influence the thirst cycle; Identify the main route by which water leaves the body; Describe the role of ADH and its effect on body water levels; Define dehydration and identify common causes of dehydration
Water content of the body’s organs and tissues. Water content varies in different body organs and tissues, from as little as 8 percent in the teeth to as much as 85 percent in the brain. Fluid Compartments.
Water Balance Disorders. In physiology and medicine, dehydration (hypohydration) is defined as the excessive loss of body fluid. It is literally the removal of water from an object. However, in physiological terms, it entails a deficiency of fluid within an organism.
