Which of the following is a respiratory disease ?

A respiratory disease is

Which of the following is a chronic respiratory disorder in which alveolar walls are damaged due to which respiratory surgace is decreased? One of the major causes of this disease is cigarette smoking

Which of the following is a chronic respiratory disorder in which alveolar walls are damaged due to which respiratory surgace is decreased? One of the major causes of this disease is cigarette smoking

Which of the following is not a respiratory exchange surface?

which of the following is a respiratory organ of scorpion

Which of the following is not a respiratory organ of arthrpoda?

Which of the following is not a respiratory exchange surface?

Which of the following is the respiratory organ in wriggler ?

Which of the following is respiratory organ of Sepia?