Biology · Excretory System
Which of the following statements is true regarding the blood supply to the human kidneys under resting conditions?
- 1Their blood supply drops to nearly zero during normal sleep cycles.
- 2They receive the lowest amount of blood relative to their weight compared to other organs.
- 3They receive approximately 20% to 25% of the total cardiac output.✓
- 4They receive less than 5% of the total cardiac output.
Correct answer
They receive approximately 20% to 25% of the total cardiac output.
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