The basic functional unit of human kidney is
Correct answer: C. Nephron
- A. Nephridia
- B. Loop of Henle
- C. Nephron
- D. Pyramid
Explanation
A nephron is a unit of structure and function in a kidney. A kidney contains about a million nephrons, each approximately 3 cm long. A nephron is a long tubule differentiated into four regions having different anatomical features and physiological role : Bowman's capsule, proximal convoluted tubule (PCT), loop of Henle, and distal convoluted tubule (DCT). The latter opens into one of the collecting ducts. Nephridia are the excretory organs of annelids.
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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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More Homeostasis questions
A condition of failure of kidney to form urine is called:
Concentration of urine depends upon which organ?
If loop of Henle were absent from mammalian nephron which one of the following is to be expected?
If excess water passes out from the tissue without being restored by the kidneys the cells would:
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Under normal conditions which one is completely reabsorbed in the renal tubule?