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When the body becomes dehydrated, a chemical signal is sent that causes nephrons in the kidneys to absorb more water and excrete more salts. This is an example of a _____.

A. gas exchange
B. carbon dioxide buildup
C. heat stroke
D. feedback loop

User Norma
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When the body becomes dehydrated, a chemical signal is sent that causes nephrons in the kidneys to absorb more water and excrete more salts. This is an example of a D Feedback loop.

User Qdjm
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