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

The first signs of an emergency often include which of the following in relation to homeostasis?

Increased heart rate and rapid breathing

Stable blood pressure and calm demeanor

Decreased body temperature and sweating

Improved digestion and energy levels

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Verified step by step guidance

Understand the concept of homeostasis: Homeostasis is the body's ability to maintain a stable internal environment despite changes in external conditions. It involves various physiological processes to keep parameters like temperature, pH, and fluid balance within a narrow range.

Identify the body's typical response to emergencies: In emergency situations, the body activates the 'fight or flight' response, which is part of the sympathetic nervous system. This response prepares the body to either confront or flee from a threat.

Consider the physiological changes during the 'fight or flight' response: This response typically includes increased heart rate and rapid breathing to supply more oxygen and nutrients to muscles, preparing the body for quick action.

Evaluate the options based on the body's emergency response: Increased heart rate and rapid breathing are consistent with the body's immediate response to stress or danger, aiming to enhance physical readiness.

Eliminate options that do not align with the emergency response: Stable blood pressure and calm demeanor, decreased body temperature and sweating, and improved digestion and energy levels are not typical immediate responses to an emergency, as they do not align with the activation of the sympathetic nervous system.