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The urinary system: kidneys, ureters, bladder, and urethra with expanded view of a nephron and the u
Urinalysis. During a simple urinalysis, a stick with colored blocks is dipped into a urine specimen.
Brooding Frogs
Urine output.
Nutrient-Dense Food Choices Nutrient-dense foods provide more nutrition per calorie and fewer solid
(left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur