The pneumatic bones are important to birds for respiration. They are hollow bones which are connected to the bird's respiratory system and are important for birds to be able to breath. Examples of pneumatic bones are the skull, humerus, clavicle, keel (sternum), pelvic girdle, and the lumbar and sacral vertebrae.

Who have pneumatic bones?

Pneumatic bones found in birds. Pneumatic bones are hollow. and since of pneumatic bones, birds can fly within the air. The bones of mammals are heavier than the bones of birds.

What are called pneumatic bones?

Pneumatic bones are those bones which contain an air filled cavity within them. In humans, they are seen in relation to the the nasal cavity – they enclose the paranasal sinuses. Pneumatic bones are – maxilla, frontal bone, sphenoid and ethmoid.