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Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892

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BuyFindarrow_forward

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892
Textbook Problem

Discuss Concepts As a person ages, nephron tubules lose some of their ability to concentrate urine. What is the effect of this change?

Summary Introduction

To review:

The effect of age-related loss of nephron tubule’s ability to concentrate urine in aged people.

Introduction:

Water, small molecules, and ions gets filtered from the blood into the renal tubules during the process of filtration. This is followed by tubular reabsorption in which conserved water is released back into the plasma, concentrating the filtrate. However, this process lags behind with aging.

Explanation

With aging, nephrons lose their ability to concentrate urine. This will lead to more diluted urine implying a greater loss of water from the body. Thus, the frequency of urine discharge will increase, which will cause discomfort to the aged person...

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