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

The Kidneys

Anatomy & Physiology

25. The Urinary System

The Kidneys

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Multiple Choice

Which organ is primarily responsible for filtering blood in the human body?

Lungs

Liver

Kidneys

Heart

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Verified step by step guidance

Begin by identifying the primary function of each organ listed in the options.

Understand that the lungs are primarily responsible for gas exchange, allowing oxygen to enter the blood and carbon dioxide to be expelled.

Recognize that the liver plays a crucial role in metabolism, detoxification, and the production of biochemicals necessary for digestion, but it is not primarily responsible for filtering blood.

Note that the heart is responsible for pumping blood throughout the body, ensuring that oxygen and nutrients are delivered to tissues, but it does not filter blood.

Learn that the kidneys are the organs primarily responsible for filtering blood. They remove waste products and excess substances from the blood, which are then excreted as urine. This filtration process is essential for maintaining homeostasis in the body.