Question

HOLI ME AYUDAN PORFI
The job of clearing the blood of wastes in the nephrons occurs in three stages.
They are filtration, reabsorption, and tubular secretion:
The first stage in clearing the blood is filtration, the passage of a liquid through a filter to remove impurities. Filtration occurs in the glomeruli. Blood pressure forces plasma, the liquid portion of the blood, through the capillary walls in the glomerulus. The plasma contains water, glucose, amino acids, and urea. Blood cells and proteins are too large to pass through the wall, so they stay in the blood. The fluid, now called filtrate, collects in the capsule and enters the renal tubule.
Explain the first stage:
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What is reabsorption?
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What is tubular secretion?
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What does organ control the volume of urine?
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What is the function of the liver in the excretory system?
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Answer 1

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