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

Introduction to the Urinary System

Anatomy & Physiology

25. The Urinary System

Introduction to the Urinary System

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Problem 7

Textbook Question

What are the primary functions of the urinary system?

Verified step by step guidance

The urinary system is responsible for maintaining homeostasis by regulating the composition and volume of blood. Begin by understanding that its primary function is to filter blood and remove waste products.

Learn about the kidneys, which are the main organs of the urinary system. They filter blood to remove nitrogenous waste (such as urea and creatinine) and excess substances, forming urine.

Understand the role of the ureters, which transport urine from the kidneys to the bladder for temporary storage.

Study the bladder's function as a storage organ for urine until it is ready to be expelled from the body.

Explore the urethra's role in expelling urine from the bladder to the external environment during urination, completing the process of waste elimination.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Filtration

Filtration is the process by which the kidneys remove waste products and excess substances from the blood. This occurs in the nephrons, where blood is filtered to form urine, allowing for the elimination of toxins and maintaining homeostasis in the body.

Regulation of Fluid Balance

The urinary system plays a crucial role in regulating the body's fluid balance by adjusting the volume and concentration of urine produced. This regulation helps maintain blood pressure and electrolyte levels, ensuring that the body functions optimally.

Acid-Base Balance

The urinary system contributes to the maintenance of acid-base balance by excreting hydrogen ions and reabsorbing bicarbonate from urine. This process helps regulate the pH level of the blood, which is vital for various biochemical processes and overall health.

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Related Practice

Multiple Choice

Which of the following is the final segment of the renal tubule of a nephron?

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Multiple Choice

Which of the following structures is responsible for filtering blood within the renal corpuscle?

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Multiple Choice

What is the condition characterized by a gradual loss of function of the nephrons in the kidneys?

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Multiple Choice

Which of the following structures is located on the outermost layer of the kidney?

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Textbook Question

Trace the pathway of the protein-free filtrate from where it is produced in the renal corpuscle until it drains into the renal pelvis in the form of urine. (Use arrows to indicate the direction of flow.)

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