Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

25. The Urinary System

Blood Supply of the Kidneys

Anatomy & Physiology

25. The Urinary System

Blood Supply of the Kidneys

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Multiple Choice

Approximately how much blood flows through the kidneys per minute?

500 mL

2,500 mL

1,200 mL

800 mL

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Verified step by step guidance

Understand that the kidneys receive a significant portion of the cardiac output, which is the total volume of blood the heart pumps per minute.

Recognize that the average cardiac output for an adult is about 5,000 mL per minute.

Learn that the kidneys receive approximately 20-25% of the cardiac output to filter blood and remove waste products.

Calculate the blood flow to the kidneys by multiplying the cardiac output by the percentage of blood flow they receive: \( \text{Blood flow to kidneys} = \text{Cardiac output} \times \text{Percentage} \).

Substitute the average cardiac output (5,000 mL) and the percentage (20-25%) into the formula to find the approximate blood flow through the kidneys per minute.