The respiratory portion of respiratory system in humans consists of
Option: 1
Respiratory bronchioles
Option: 2
Alveolar ducts
Option: 3
Alveolar sacs and alveoli
Option: 4
All of the above
Answers (1)
Respiratory System in Humans -
The human respiratory system is divisible into two portions:
Conducting Portion:
Nose
Pharynx
Larynx
Trachea
Bronchi
Lobular and terminal bronchioles
Respiratory Portion:
Respiratory bronchioles
Alveolar ducts
Alveolar sacs and alveoli
Thus, the respiratory portion of the respiratory system in humans consists of respiratory bronchioles, alveolar ducts, alveolar sacs and alveoli. Hence, the correct option is all of the above