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

2. Cell Chemistry & Cell Components

Introduction to Chemical Bonding

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Introduction to Chemical Bonding

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Multiple Choice

Which of the following statements about prostaglandins is NOT true?

Prostaglandins are lipid compounds derived from fatty acids.

Prostaglandins play a role in inflammation and pain signaling.

Prostaglandins can influence blood flow and clotting.

Prostaglandins act as hormones that circulate throughout the entire body.

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Verified step by step guidance

Understand the nature of prostaglandins: Prostaglandins are lipid compounds derived from fatty acids, specifically arachidonic acid, and are part of a group known as eicosanoids.

Recognize the functions of prostaglandins: They are involved in various physiological processes, including inflammation, pain signaling, regulation of blood flow, and clotting.

Differentiate prostaglandins from hormones: Unlike hormones, which are typically secreted by glands and circulate throughout the body to exert effects on distant organs, prostaglandins generally act locally at the site of synthesis.

Evaluate the statement about prostaglandins acting as hormones: Since prostaglandins primarily exert local effects rather than circulating throughout the entire body like hormones, this statement is not true.

Conclude which statement is incorrect: Based on the understanding that prostaglandins do not act as circulating hormones, identify the statement 'Prostaglandins act as hormones that circulate throughout the entire body' as the incorrect one.