MEDICAL
URETERS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In humans, which substances are normally filtered out of the blood by the nephrons and then excreted?
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water, carbon dioxide, and glucose
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urea, water, and mineral salts
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water, glycogen, and urea
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glucose, water, and red blood cells
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Explanation:
Detailed explanation-1: -Urine has salts, toxins, and water that need to be filtered out of the blood. After the kidneys make urine, it leaves the body using the rest of the urinary tract as a pathway.
Detailed explanation-2: -There are four main groups of substances that are filtered out by the kidneys: water (excess), salts (ions of potassium, ammonium, hydrogen, others), creatinine (byproduct of muscle metabolism), and urea (waste products from protein metabolism).
Detailed explanation-3: -The kidneys filter out the waste products and excess fluids from the body and dispose of them in the form of urine, via the bladder. The clean blood flows back to the other parts of the body.
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