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Questions and Answers
Which part of the respiratory system is responsible for vocalization?
Which part of the respiratory system is responsible for vocalization?
- Pharynx
- Trachea
- Alveoli
- Larynx (correct)
Which structure is NOT part of the lower respiratory tract?
Which structure is NOT part of the lower respiratory tract?
- Bronchi
- Diaphragm
- Nasal cavity (correct)
- Lungs
What is the primary function of the alveoli in the respiratory system?
What is the primary function of the alveoli in the respiratory system?
- Regulate airflow into the lungs
- Facilitate gas exchange (correct)
- Transport oxygen to blood
- Produce sound
Which of the following is included in the upper respiratory tract?
Which of the following is included in the upper respiratory tract?
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Which of the following structures helps in the expansion and contraction of the lungs?
Which of the following structures helps in the expansion and contraction of the lungs?
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Study Notes
Respiratory System Overview
- The respiratory system is responsible for gas exchange in humans.
- It's a complex biological system consisting of various organs and structures.
- The system is formed of a continuous passage called the respiratory tract.
- The tract is divided into two major divisions: upper and lower respiratory tracts.
- Air enters the lungs through the upper respiratory tract, travels through the lower respiratory tract, and is expelled in the same way.
Upper Respiratory Tract
- The upper respiratory tract is the first part of the tract that air enters the body.
- It comprises the nose, nasal cavity, mouth, pharynx, and larynx.
Lower Respiratory Tract
- The lower respiratory tract is the second part of the tract where air travels after entering the body.
- It comprises the trachea, bronchi, bronchioles, lungs, diaphragm, and alveoli.
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