Respiration is the process by which 02 is taken in and CO2 is given out. The first breath takes place only after birth. Fetal...
Respiration is the process by which 02 is taken in and CO2 is given out. The first breath takes place only after birth. Fetal...
It is a disease of the airway that is characterized by increased responsiveness of the tracheobronchial tree to a variety of stimuli...