Blood is specially filtered in the glomerulus because glomerular walls are porous, and the fraction that reaches here provides the filtration pressure:
Correct answer: B. Blood Pressure
- A. Osmotic Pressure
- B. Blood Pressure
- C. Interstitial Pressure
- D. Diffusion Pressure
Explanation
The net filtration pressure (NFP) at the glomerulus is the difference between the net hydrostatic pressure and the blood colloid osmotic pressure acting across the glomerular capillaries. This is the average pressure forcing water and dissolved materials out of the glomerular capillaries into the capsular space.
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About Homeostasis
Homeostasis maintains a stable internal environment through the kidney and urinary system, thermoregulation and excretion. The kidney topics include filtration, selective reabsorption, urine formation and water balance, while thermoregulation involves sweating, vasodilation, vasoconstriction and hormonal control; excretion is different from egestion, which removes undigested food.
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