The vertebrate kidney helps to keep the acidity of the body fluids constant by varying the amount of hydrogen ions (H+) it secretes into the urine

You can confidently predict that this aspect of kidney function, like other mechanisms of homeostasis, will be controlled by ________. A) a negative feedback mechanism
B) nerve impulses from the brain
C) a hormone produced in the brain
D) a hormone produced in the kidney itself


A

Biology & Microbiology

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