EASY
Andhra Pradesh Police Constable Prelims
IMPORTANT
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Which of the following statements are correct?
1. The esophagus and the trachea open into the pharynx.
2. The epiglottis prevents the entry of food into the glottis during swallowing.
3. Mucus in saliva helps in lubricating and adhere the masticated food particles into a bolus.
Select the correct answer using the code given below:
2. The epiglottis prevents the entry of food into the glottis during swallowing.
3. Mucus in saliva helps in lubricating and adhere the masticated food particles into a bolus.
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Important Questions on Respiration in Plants & Animals
MEDIUM
Andhra Pradesh Police Constable Prelims
IMPORTANT
Which of the following terms is/are correct?
1. Tidal air: volume of air which remains in the lungs.
2. Residual air: volume of air entering and leaving the lungs during normal breathing.
Select the correct answer using the codes given below:
