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

4. Tissues & Histology

Introduction to Epithelial Tissue

Anatomy & Physiology

4. Tissues & Histology

Introduction to Epithelial Tissue

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Multiple Choice

Which germ layer forms the pancreas and the epithelium lining the digestive and respiratory tract?

Periderm

Mesoderm

Endoderm

Ectoderm

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Verified step by step guidance

Understand the concept of germ layers: In embryonic development, three primary germ layers form, which are the ectoderm, mesoderm, and endoderm. Each layer gives rise to different tissues and organs in the body.

Identify the role of the endoderm: The endoderm is the innermost germ layer and is responsible for forming the epithelial lining of the digestive and respiratory tracts, as well as organs such as the liver and pancreas.

Differentiate between the germ layers: The ectoderm forms structures such as the skin and nervous system, while the mesoderm forms muscles, bones, and the circulatory system. The endoderm, as mentioned, forms the internal linings and certain organs.

Apply this knowledge to the problem: Since the pancreas and the epithelial lining of the digestive and respiratory tracts are derived from the endoderm, this is the correct germ layer associated with these structures.

Conclude with the correct answer: Based on the understanding of germ layer differentiation, the endoderm is the germ layer that forms the pancreas and the epithelium lining the digestive and respiratory tract.