Lizard Respiratory System

KOMPAS.com – As reptile animal other, lizard breathe with paru-paru.

Some types of lizards have a unique respiratory system. For example, monitor lizards are known to perform unidirectional respiration which evolved in the common ancestor of birds and crocodiles.

Lizard breathing structure

Reported from Notes on Zoology, The lizard’s respiratory organs include a pair of external nares, nasal chambers, internal nares, glottis, larynx, trachea, bronchi and lungs.

The outer nares are located slightly in front of the eyes, leading to the nasal passages that open into the roof of the buccal cavity.

The glottis is located behind the tongue and opens posteriorly into a short space or larynx.

Read also: Crocodile Respiratory System

The walls are supported by the cricoid and a pair of arytenoid cartilages.

The larynx opens into a narrow, elongated cylindrical tube or trachea.

Its walls are supported by a large number of small cartilaginous rings, the tracheal rings.

Lizard Lung

The lungs are elastic and elongated sacs. The size of the right lung is slightly larger than the left.

The walls of the lungs are folded into protrusions so that they look like a honeycomb.

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