Biology 20 - Respiratory System Questions And Answers
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Biology 20 -
Institution
Biology 20 -
Biology 20 - Respiratory System Questions
And Answers
What are the lungs protected by? The bone and muscular structure of the thoracic chest
cavity.
What is the order of the respiratory tract? Nasal passage, pharynx, epiglottis, glottis,
larynx, trachea, bronchus, lung.
What is the functio...
Biology 20 - Respiratory System Questions
And Answers
What are the lungs protected by? The bone and muscular structure of the thoracic chest
cavity.
What is the order of the respiratory tract? Nasal passage, pharynx, epiglottis, glottis,
larynx, trachea, bronchus, lung.
What is the function of the nasal passage? The nasal passages serve to warm, moisten, and
clean incoming air.
What is the nasal passage lined with? What is their function? Ciliated cells. Moves the
foreign particles back up into the nose and throat where they can be expelled by sneezing or
coughing.
What are turbinate bones? What is their function? Very thin bones that project into the
nasal cavity. They serve as increasing the surface area of the nasal passages. They are covered in
cilia.
, Biology 20 - Respiratory System Questions
And Answers
What is the pharynx? What is the their function? Commonly known as the throat. It is a
passageway for air into the respiratory system.
What is the epiglottis? What is their function? A flap of cartilage that lies behind the
tongue and in front of the larynx. The epiglottis closes over the opening to the trachea, the
glottis, when a person swallows.
What is the larynx? What is their function? The larynx is made from cartilage and
contains the vocal cords.
What is the trachea? What is their function? The trachea is known as the windpipe. The
trachea is strengthened by semicircular, cartilaginous arches that prevent it from collapsing.
What are bronchi? The trachea branches into two smaller passageways.
What are bronchioles? Each bronchus subdivides many times to create a branching
network of smaller and finer tubes.
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