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 Nephron

Anatomy & Physiology

25. The Urinary System

The Nephron

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Multiple Choice

What is the primary role of the collecting ducts in the urinary system?

To reabsorb water and concentrate urine

To secrete waste products into the urine

To filter blood and form urine

To transport urine from the kidneys to the bladder

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Verified step by step guidance

Understand the anatomy of the urinary system: The urinary system consists of the kidneys, ureters, bladder, and urethra. The kidneys filter blood to form urine, which is then transported to the bladder via the ureters.

Identify the role of the collecting ducts: The collecting ducts are part of the nephron, the functional unit of the kidney. They play a crucial role in the final stages of urine formation.

Explore the function of the collecting ducts: The primary role of the collecting ducts is to reabsorb water and concentrate urine. This process is regulated by hormones such as antidiuretic hormone (ADH), which increases water permeability in the ducts.

Differentiate between the functions of various parts of the nephron: While the glomerulus filters blood to form the initial urine, the collecting ducts focus on adjusting the water content and concentration of the urine.

Clarify the transport role: The collecting ducts do not transport urine from the kidneys to the bladder; this is the function of the ureters. The collecting ducts are involved in the reabsorption and concentration processes within the kidney.