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

Previous problemNext problem

Struggling with Anatomy & Physiology?

Join thousands of students who trust us to help them ace their exams!Watch the first video

Multiple Choice

Alcohol absorption occurs primarily in the ________.

small intestine

esophagus

large intestine

stomach

Previous problemNext problem

Verified step by step guidance

Understand the process of alcohol absorption: Alcohol is absorbed into the bloodstream through the lining of the digestive tract. The rate and location of absorption depend on the anatomy and physiology of the digestive system.

Review the anatomy of the digestive system: The digestive system includes the esophagus, stomach, small intestine, and large intestine. Each part has specific functions in digestion and absorption.

Consider the role of the stomach: The stomach primarily serves to break down food mechanically and chemically. While some alcohol absorption occurs here, it is minimal compared to other parts of the digestive system.

Examine the small intestine: The small intestine is the primary site for nutrient absorption due to its large surface area, villi, and microvilli. Alcohol absorption occurs most efficiently here because of these features.

Rule out the esophagus and large intestine: The esophagus is a conduit for food and liquids, not a site for absorption. The large intestine primarily absorbs water and electrolytes, not alcohol.