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 structure connects the throat (pharynx) to the stomach in the digestive system?

Larynx

Small intestine

Trachea

Esophagus

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Verified step by step guidance

Step 1: Begin by identifying the primary function of the digestive system, which is to transport and process food from ingestion to absorption and elimination.

Step 2: Understand the role of the pharynx (throat) in the digestive system. The pharynx serves as a passageway for both food and air, directing food toward the esophagus and air toward the trachea.

Step 3: Examine the anatomical connection between the pharynx and the stomach. The esophagus is the muscular tube that connects the pharynx to the stomach, allowing food to pass through via peristalsis (wave-like muscle contractions).

Step 4: Differentiate the esophagus from other structures listed in the options. The larynx is part of the respiratory system, the small intestine is involved in nutrient absorption, and the trachea is the windpipe that carries air to the lungs.

Step 5: Conclude that the correct structure connecting the throat (pharynx) to the stomach in the digestive system is the esophagus, based on its anatomical location and function.