The lungs are protected from outside by .....................
Pleura
Trachea
Nostrils
Bronchi
The lungs are protected from outside by pleura. The pleural membrane is attached to the surface of the lungs.
The lungs are protected from outside by ________________.
Which of the following is the correct sequence of air passage during inhalation ? (a) nostrils → larynx → pharynx → trachea → lungs (b) nasal passage → trachea pharynx → lirynx → alveoli (c) larynx → nostrils → pharynx → lungs (d) nostrils → pharynx → larynx → trachea → alevoli