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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 statement accurately describes vessel elements and tracheids at maturity in plant tissues?

They are both dead and function in water conduction.

They are both part of the phloem tissue.

They are both alive and actively transporting water.

They are both involved in photosynthesis.

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Verified step by step guidance

Understand the role of vessel elements and tracheids in plant tissues. Both are types of cells found in the xylem, which is responsible for water conduction in plants.

Recognize that at maturity, vessel elements and tracheids are dead cells. This is a key characteristic that allows them to efficiently conduct water without resistance from living cell components.

Differentiate between xylem and phloem tissues. Xylem is involved in water conduction, while phloem is responsible for transporting nutrients and sugars produced during photosynthesis.

Consider the function of vessel elements and tracheids. Their primary role is to facilitate the movement of water and minerals from the roots to other parts of the plant, not photosynthesis.

Conclude that the accurate description of vessel elements and tracheids at maturity is that they are both dead and function in water conduction, aligning with their role in the xylem tissue.