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 the nasal conchae in the respiratory system?

To filter blood before it enters the lungs

To initiate the cough reflex

To produce sound for speech

To heat and moisten inhaled air, and reclaim heat and moisture during exhalation

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Verified step by step guidance

Step 1: Understand the anatomical location and structure of the nasal conchae. The nasal conchae are thin, scroll-like bony structures located within the nasal cavity. They are covered by mucous membranes and are divided into superior, middle, and inferior conchae.

Step 2: Learn the primary function of the nasal conchae in the respiratory system. Their role is to increase the surface area within the nasal cavity, which enhances the interaction between inhaled air and the mucous membranes.

Step 3: Explore how the nasal conchae heat and moisten inhaled air. As air passes over the mucous membranes, the conchae help trap heat and moisture, ensuring that the air reaching the lungs is warm and humidified, which is essential for efficient gas exchange.

Step 4: Understand the role of the nasal conchae during exhalation. During exhalation, the conchae reclaim heat and moisture from the outgoing air, conserving energy and maintaining hydration within the respiratory system.

Step 5: Recognize that the nasal conchae do not perform functions like filtering blood, initiating the cough reflex, or producing sound for speech. Their primary role is related to conditioning the air for respiration, as described above.