Verified Answer :

taskmasters

Birds

Birds are organisms which utilize a one-way air flow through their lungs to maximize air flow efficiency and oxygen consumption

The process of respiration is essential in the oxygen/carbon dioxide cycle. Respiration removes OXYGEN from the atmosphere and produces and releases CARBON DIOXIDE to the atmosphere.answer is letter D.

Respiration driven by a mechanical series called inhalation and exhalation. We inhale or breathe in oxygen and exhale or breathe out carbon dioxide. 

Related Questions