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

28. Human Development

Embryonic Development (Weeks 3-8)

Anatomy & Physiology

28. Human Development

Embryonic Development (Weeks 3-8)

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Multiple Choice

Why does organogenesis begin with neurulation during embryonic development?

Neurulation initiates the formation of the neural tube, which is essential for the development of the central nervous system.

Neurulation marks the beginning of the formation of the heart and circulatory system.

Neurulation is responsible for the development of the digestive tract.

Neurulation triggers the differentiation of the mesoderm into muscle tissue.

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Verified step by step guidance

Understand the term 'organogenesis': Organogenesis is the phase of embryonic development during which the organs are formed. It follows gastrulation and involves the differentiation of the three germ layers into various organs and tissues.

Define 'neurulation': Neurulation is the process during embryonic development that leads to the formation of the neural tube. This structure eventually develops into the central nervous system, which includes the brain and spinal cord.

Identify the significance of neurulation: Neurulation is crucial because the neural tube is one of the first structures to form during organogenesis. Its development is essential for the proper formation of the central nervous system, which is a foundational system for the functioning of the entire organism.

Explore the relationship between neurulation and other systems: While neurulation primarily focuses on the central nervous system, it also influences the development of other systems. For example, the neural crest cells, which arise during neurulation, contribute to the formation of the peripheral nervous system and other structures.

Clarify why neurulation is prioritized: Neurulation is prioritized in organogenesis because the central nervous system is vital for coordinating the development and function of other organ systems. Its early formation ensures that the embryo can develop in a coordinated and functional manner.