During swallowing, a flap of tissue, the _______, automatically closes off the larynx so food cannot enter the lower airway.
A) epiglottis
B) glottis
C) hilus
D) tracheal flap
Correct Answer:
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Q1: The trachea divides into the right and
Q3: The lungs are large, paired, spongy organs
Q4: Air enters the _, the superior part
Q5: The opening into the larynx is the
Q6: Specialized receptors called _ in the medulla
Q7: During inspiration, when the volume of the
Q8: Carbon dioxide is transported in the blood
Q9: _ is the exchange of gases between
Q10: The _ is a strong, dome-shaped muscle
Q11: _ cells within the lining of the
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