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

2. Cell Chemistry & Cell Components

Introduction to Eukaryotic Organelles

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Introduction to Eukaryotic Organelles

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Multiple Choice

Which eukaryotic organelle is responsible for holding the coils of the small intestine together?

Golgi apparatus

Mesentery

Mitochondrion

Nucleus

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Verified step by step guidance

Understand the question: The problem is asking which structure in the body holds the coils of the small intestine together. This is a structural and anatomical question rather than one related to cellular organelles.

Clarify the options: The Golgi apparatus, mitochondrion, and nucleus are cellular organelles found within eukaryotic cells. These organelles perform specific functions within the cell, but they are not involved in holding the small intestine together.

Introduce the correct concept: The mesentery is a fold of tissue (specifically, a double layer of peritoneum) that attaches the small intestine to the posterior abdominal wall. It provides structural support and contains blood vessels, nerves, and lymphatics that supply the intestines.

Explain why the mesentery is the correct answer: The mesentery's role is to stabilize the position of the intestines and prevent them from tangling while allowing movement during digestion. Cellular organelles like the Golgi apparatus, mitochondrion, and nucleus are unrelated to this anatomical function.

Conclude with a key takeaway: The mesentery is an anatomical structure, not a cellular organelle, and is responsible for holding the coils of the small intestine together. This highlights the importance of distinguishing between cellular and anatomical structures in physiology.