Question 1 Name the flap which closes the glottis to check the entry of food into it during swallowing? Question 2 What happens to the diaphragm when diaphragm muscles contract? Question 3 Name the cavity in which the lungs of man are enclosed.What is its function? Question 4 State the function of epiglottis? Question 5 Explain the path of transfer of oxygen from … [Read more...] about Respiratory System in humans