Sacs

What is the function of air sac in birds?
Air sacs are found as tiny sacs off the larger breathing tubes (tracheae) of insects, as extensions of the lungs in birds, and as end organs in the lu...
What is the function of air sacs in aquatic animals?
They serve to increase respiratory efficiency by providing a large surface area for gas exchange. See also pulmonary alveolus. How do air sacs work in...
How does axillary air sac work in chickens?
How do air sacs work in birds?How does an air sac work?What is the function of the posterior air sacs in the respiratory system of birds?How do air s...
What are thin-walled sacs in the lungs?
Definition: Thin-walled, tiny air sacs located at the ends of the smallest airways in the lungs (the bronchioles) where the exchange of oxygen and car...
Where is the air sac located?
Air sacs are found as tiny sacs off the larger breathing tubes (tracheae) of insects, as extensions of the lungs in birds, and as end organs in the lu...
What contain air sacs?
Tiny air sacs at the end of the bronchioles (tiny branches of air tubes in the lungs). The alveoli are where the lungs and the blood exchange oxygen a...