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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Multiple Choice

What is the waste material liquid that is formed in the kidneys?

Sweat

Urine

Plasma

Bile

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Verified step by step guidance

Step 1: Begin by understanding the function of the kidneys in the human body. The kidneys are responsible for filtering blood to remove waste products and excess substances, forming a liquid waste material.

Step 2: Recall that the primary waste material formed in the kidneys is urine. Urine is composed of water, urea, salts, and other waste products filtered from the blood.

Step 3: Differentiate between the options provided: Sweat is produced by sweat glands in the skin, plasma is the liquid component of blood, and bile is produced by the liver to aid in digestion. None of these are formed in the kidneys.

Step 4: Confirm that urine is the correct answer because it is the waste liquid specifically formed in the kidneys during the process of filtration and excretion.

Step 5: Reinforce the concept by noting that urine exits the kidneys through the ureters, is stored in the bladder, and is eventually expelled from the body through the urethra.