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

23. The Digestive System

Introduction to the Digestive System

Anatomy & Physiology

23. The Digestive System

Introduction to the Digestive System

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Multiple Choice

Which of the following is the main site for fiber digestion in horses?

Stomach

Small intestine

Cecum

Esophagus

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Verified step by step guidance

Understand that horses are non-ruminant herbivores, which means they have a unique digestive system compared to ruminants like cows.

Recognize that fiber digestion in horses primarily occurs in the hindgut, which includes the cecum and colon.

Identify the cecum as a large, pouch-like structure located at the beginning of the large intestine, which plays a crucial role in the fermentation and breakdown of fibrous plant material.

Acknowledge that the stomach and small intestine are primarily involved in the digestion and absorption of non-fibrous nutrients, such as proteins and simple carbohydrates.

Conclude that the cecum is the main site for fiber digestion in horses due to its role in microbial fermentation, which breaks down cellulose and other complex carbohydrates into volatile fatty acids that the horse can absorb and utilize.