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

3. Energy & Cell Processes

Introduction to Cell Division

Anatomy & Physiology

3. Energy & Cell Processes

Introduction to Cell Division

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Multiple Choice

Which of the following statements correctly describes the process of cleavage in embryonic development?

Cleavage occurs after the formation of the gastrula.

Cleavage results in the formation of a blastula.

Cleavage involves the growth of cells between divisions.

Cleavage is characterized by rapid cell division without an increase in mass.

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Verified step by step guidance

Understand the context of embryonic development: Cleavage is an early stage in embryonic development that occurs after fertilization and before the formation of the gastrula.

Identify the characteristics of cleavage: Cleavage is characterized by rapid cell division. During this process, the zygote divides multiple times to form smaller cells called blastomeres.

Clarify the misconception about cell growth: Unlike typical cell division, cleavage does not involve growth between divisions. The total mass of the embryo remains the same, but the number of cells increases.

Recognize the outcome of cleavage: The process of cleavage results in the formation of a blastula, which is a hollow sphere of cells.

Differentiate cleavage from other stages: Cleavage is distinct from later stages like gastrulation, where cells begin to rearrange and differentiate to form the basic body plan.