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

Introduction to the Urinary System

Anatomy & Physiology

25. The Urinary System

Introduction to the Urinary System

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Multiple Choice

Which excretory organ is used by insects to remove waste products?

Flame cells

Nephrons

Malpighian tubules

Kidneys

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Verified step by step guidance

Understand that the question is asking about the excretory system in insects, which is responsible for removing waste products from their bodies.

Recognize that insects have a unique excretory system compared to other organisms like humans or flatworms.

Identify the options given: Flame cells, Nephrons, Malpighian tubules, and Kidneys.

Recall that Flame cells are part of the excretory system in flatworms, Nephrons are the functional units of kidneys in vertebrates, and Kidneys are the main excretory organs in mammals.

Conclude that Malpighian tubules are the correct excretory organs in insects, as they are specifically adapted to remove waste products from the insect's body.