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

Which of the following structures is part of the upper respiratory system?

Trachea

Alveoli

Bronchi

Nasal cavity

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Verified step by step guidance

Step 1: Understand the division of the respiratory system into two main parts: the upper respiratory system and the lower respiratory system. The upper respiratory system includes structures involved in air intake and initial filtration, while the lower respiratory system is responsible for gas exchange and air conduction deeper into the lungs.

Step 2: Identify the structures listed in the problem and classify them based on their location and function. The trachea, alveoli, and bronchi are part of the lower respiratory system, while the nasal cavity is part of the upper respiratory system.

Step 3: Recall the anatomical features of the nasal cavity. It is located in the upper respiratory system and serves as the primary entry point for air. It filters, warms, and humidifies the air before it moves to the lower respiratory structures.

Step 4: Compare the nasal cavity to the other structures listed. The trachea is a tube that connects the larynx to the bronchi and is part of the lower respiratory system. The alveoli are tiny air sacs in the lungs where gas exchange occurs, and the bronchi are airways that branch from the trachea into the lungs, both of which are also part of the lower respiratory system.

Step 5: Conclude that the nasal cavity is the correct answer because it is the only structure listed that belongs to the upper respiratory system.