Q.

Identify which respiratory structure possesses the following features and choose the correct option accordingly
I. Found in mammals
II. Highly muscular and fibrous partition, elevated towards the thorax like a dome
III. Separates thoracic and abdominal cavity
 a) Pleural membrane            b) Phrenic muscle                    c) Diaphragm                d) Mediastinum

AA
BB
CC
DD

A.

c) Diaphragm is a characteristic of mammals. It is highly muscular and fibrous partition, elevated towards the thorax like a dome. Its important function is to aid in respiration. It separates the thoracic and abdominal cavities. It is also called phrenic muscle

 



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