Multiple Choice
Which chamber of the heart is responsible for pumping oxygenated blood into the systemic circulation?
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1. Introduction to Anatomy & Physiology
Introduction to Organ Systems
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Which of the following structures is NOT part of the upper respiratory tract?
A
Larynx
B
Nasal cavity
C
Trachea
D
Pharynx
Verified step by step guidance1
Step 1: Understand the components of the upper respiratory tract. The upper respiratory tract includes structures involved in the intake and initial processing of air, such as the nasal cavity, pharynx, and larynx.
Step 2: Recognize the function of the trachea. The trachea is part of the lower respiratory tract and serves as a passageway for air to move from the larynx to the bronchi and lungs.
Step 3: Compare the listed structures. The nasal cavity, pharynx, and larynx are all part of the upper respiratory tract, while the trachea is part of the lower respiratory tract.
Step 4: Identify the structure that does not belong to the upper respiratory tract based on its anatomical location and function.
Step 5: Conclude that the trachea is the correct answer because it is part of the lower respiratory tract, not the upper respiratory tract.
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