Which part of the respiratory system is a flap of tissue in back of the mouth that covers the trachea to prevent food from entering it? A. trachea B. diaphragm C. lungs D. epiglottis

Which part of the respiratory system is a flap of tissue in back of the mouth that covers the trachea to prevent food from entering it?

A.
trachea

B.
diaphragm

C.
lungs

D.
epiglottis

2 Answers

Which part of the respiratory system is a flap of tissue in back of the mouth that covers the trachea to prevent food from entering it? A. trachea B. diaphragm C. lungs D. epigl…

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2 Answers

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