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 part of the colon joins the rectum?

Cecum

Transverse colon

Sigmoid colon

Ascending colon

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Verified step by step guidance

Step 1: Begin by understanding the anatomy of the colon, which is part of the large intestine. The colon is divided into several sections: cecum, ascending colon, transverse colon, descending colon, and sigmoid colon.

Step 2: Recall the function and location of the sigmoid colon. It is the S-shaped part of the colon located near the end of the large intestine, connecting the descending colon to the rectum.

Step 3: Compare the anatomical positions of the other options provided: Cecum is the beginning of the large intestine, located near the junction with the small intestine; Ascending colon is the vertical section on the right side of the abdomen; Transverse colon is the horizontal section across the abdomen.

Step 4: Eliminate the incorrect options based on their anatomical positions and functions. The cecum, ascending colon, and transverse colon are located earlier in the digestive tract and do not directly connect to the rectum.

Step 5: Conclude that the sigmoid colon is the correct answer because it is the final section of the colon that directly joins the rectum.