. During respiration exchange of gasses takes place in
A: Trachea and Larynx
B: Alveoli of lungs
C: Alveoli and throat
D: Throat and Larynx
Alveoli of the lungs are vascularised sac-like structures, at the terminal of bronchioles where the
exchange of gasses takes place. It is thin walled and its shape basically increases the surface area.
Hence the correct answer is B i.e alveoli of lungs