The structure labelled B in the kidney diagram represents the Bowman's capsule. What is its function?
Correct answer: B. Filtration of blood plasma
- A. Reabsorption of water and ions
- B. Filtration of blood plasma
- C. Secretion of renin
- D. Formation of urine concentration
Explanation
Bowman's capsule filters blood plasma under pressure, initiating urine formation.
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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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