Nephrons, in human kidneys are arranged along two distinct regions, i.e.:
Correct answer: B. An outer cortex and an inner medulla
- A. An inner cortex and outer medulla
- B. An outer cortex and an inner medulla
- C. An inner cortex and an inner medulla
- D. An outer cortex and a middle medulla
Explanation
Cortex literally means outer layer and medulla literally means inner part. The outer and peripheral part is called renal cortex and inner or central part is called renal medulla.
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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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