Our vocal cords are present in……to produce sound.
a) larynx
b) bronchi
c) lungs
d) trachea
Which of the following is/are the common symptoms of Common cold?
a) sore throat, cough
b) running nose
c) sneezing, headache
d) all of these
Which of the following is the main cause of lung cancer?
a) smoking
b) running
c) jumping
d) swimming
Which of the following is the common disease of respiratory system?
a) pneumonia
b) fever
c) diarrhea
d) none of these
