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

Why is the epiglottis important in the human body?

It prevents food and liquid from entering the trachea during swallowing.

It regulates the flow of air into the lungs during breathing.

It produces vocal sounds by vibrating.

It aids in the digestion of carbohydrates in the mouth.

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Verified step by step guidance

Understand the function of the epiglottis: The epiglottis is a flap of tissue located at the entrance of the larynx, which plays a crucial role during swallowing.

Identify the primary role of the epiglottis: Its main function is to prevent food and liquid from entering the trachea (windpipe) by covering the laryngeal inlet during swallowing.

Differentiate between the functions of the epiglottis and other structures: The epiglottis does not regulate airflow into the lungs, produce vocal sounds, or aid in digestion. These functions are associated with other parts of the respiratory and digestive systems.

Consider the process of swallowing: During swallowing, the epiglottis folds down to cover the trachea, ensuring that food and liquid are directed towards the esophagus instead of the respiratory tract.

Conclude the importance of the epiglottis: By preventing aspiration of food and liquid into the lungs, the epiglottis plays a vital role in protecting the respiratory system and maintaining efficient breathing.