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 Tissues & Histology

Anatomy & Physiology

4. Tissues & Histology

Introduction to Tissues & Histology

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Multiple Choice

Which of the following structures are found in the vessel elements of xylem tissue?

Perforation plates

Sieve plates

Companion cells

Tracheids

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Verified step by step guidance

Understand the function of xylem tissue: Xylem is responsible for the transport of water and nutrients from the roots to the rest of the plant. It consists of various structures that facilitate this process.

Identify the components of xylem tissue: The main components include vessel elements, tracheids, fibers, and parenchyma cells. Each has a specific role in the transport and support functions of xylem.

Focus on vessel elements: Vessel elements are one of the primary structures in xylem tissue. They are tube-like structures that form continuous channels for water movement.

Recognize the role of perforation plates: Perforation plates are found at the ends of vessel elements. They allow water to pass freely between adjacent vessel elements, facilitating efficient water transport.

Differentiate from other structures: Sieve plates and companion cells are associated with phloem tissue, not xylem. Tracheids are another type of xylem cell, but they do not contain perforation plates; instead, they have pits for water movement.