Class X

Nasal cavity opens outside of kind of openings that are called
  1. trachea
  2. glottis
  3. nostrils
  4. pharynx
Respiratory disorder in which cells division takes place without any control and causes tumors is called
  1. emphysema
  2. lung cancer
  3. bronchi cancer
  4. bronchioles cancer
Process of intake of oxygen and release of carbon dioxide is classified as
  1. gaseous exchange
  2. respiratory exchange
  3. cellular respiration
  4. all of above
Box like structure which is present between trachea and pharynx is called
  1. vocal duct
  2. voice box
  3. vocal tract
  4. vocal cords
Inflammation of bronchioles or bronchi is classified as
  1. asthma
  2. pneumonia
  3. bronchitis
  4. emphysema
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