The pharynx is divided into three major regions. What are they?
the nasopharynx, the oropharynx, and the laryngopharynx
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What is the structure of the larynx formed by?
cartilage
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What is the function of the epiglottis?
The act of swallowing causes the pharynx and larynx to lift upward, allowing the pharynx to expand and the epiglottis of the larynx to swing downward, closing t
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Which types of blood cells pick up oxygen to be transported to tissues throughout the body.
erythrocytes
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Which artery carries deoxygenated, arterial blood to the alveoli?
pulmonary artery
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What does the parasympathetic and sympathetic nervous system do to provide an important level of control in the lungs
The parasympathetic system causes bronchoconstriction. The sympathetic nervous system stimulates bronchodilation.
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Why does the normal respiratory rate of a child decrease from birth to adolescence
Total Lung Volume- As the Lungs develop they get larger enabling more oxygen to enter in the lungs decreasing the amount of breaths needed to take in more oxyge
