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

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

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Multiple Choice

What is the primary function of tube feet in echinoderms?

Locomotion and feeding

Sensory perception and defense

Respiration and excretion

Reproduction and growth

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Verified step by step guidance

Understand the anatomy of echinoderms: Echinoderms are a group of marine animals that include starfish, sea urchins, and sand dollars. They have a unique water vascular system that includes tube feet.

Identify the structure and function of tube feet: Tube feet are small, flexible, and hollow appendages that extend from the body of echinoderms. They are part of the water vascular system and are used for various functions.

Explore the role of tube feet in locomotion: Tube feet help echinoderms move by extending and contracting, allowing them to grip surfaces and propel themselves forward.

Examine the role of tube feet in feeding: Tube feet can also assist in feeding by helping echinoderms capture and manipulate food items, such as opening shells of prey.

Consider other functions of tube feet: While primarily used for locomotion and feeding, tube feet can also play roles in sensory perception and minor roles in respiration, but these are not their primary functions.