Table of contents

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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

Which structure do the collecting ducts empty directly into?

Renal pelvis

Major calyces

Minor calyces

Ureter

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Verified step by step guidance

Begin by understanding the anatomy of the kidney, which is composed of several structures that filter blood and produce urine.

Identify the pathway of urine flow within the kidney: starting from the nephron, where filtration occurs, to the collecting ducts.

Recognize that the collecting ducts are the final part of the nephron where urine is collected before it moves out of the nephron.

Learn that the collecting ducts empty directly into the minor calyces, which are small cup-like structures that collect urine from the collecting ducts.

Understand that from the minor calyces, urine flows into the major calyces, then into the renal pelvis, and finally into the ureter, which transports urine to the bladder.