which is the main production unit of urine
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1
Answer:
wTer ................
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2
Answer:
Urea
Explanation:
Each nephron consists of a ball formed of small blood capillaries (glomerulus) and a small tube called a renal tubule. Urea, together with water and other waste substances, forms the urine as it passes through the nephrons and down the renal tubules of the kidney.
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