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Chapter Assessment Lesson 9.1
Learning Key Terms and Concepts
The main purpose of the respiratory system is to provide a constant supply of oxygen while eliminating _____.
Which of the following is
not
part of the respiratory system?
A. nose
B. lungs
C. duodenum
D. trachea
The nasal cavity contains oily, coated hairs called _____ that trap and prevent particles from entering the nose.
True or False?
The palate is commonly known as the roof of the mouth.
A. True
B. False
_____ are air-filled cavities that surround the nose.
True or False?
The pharynx is part of both the respiratory and digestive systems.
A. True
B. False
The larynx is also called the _____.
The flap of cartilage that covers the opening of the larynx during swallowing to prevent food or liquids from entering the trachea is called the _____.
A. uvula
B. tonsils
C. epiglottis
D. pharynx
True or False?
The trachea is commonly called the windpipe.
A. True
B. False
The trachea divides into right and left _____.
The air-filled sacs in the lungs are called _____.
True or False?
The left lung is wider than the right lung.
A. True
B. False
Thinking Critically
Explain in your own words how the conchae filter inspired air. Why do you think this filtering method is so effective?
The anterior part of the trachea is supported by cartilage rings that prevent it from collapsing. The C-rings on the posterior side of the trachea do not contain cartilage. Why is the absence of cartilage there beneficial?
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