Wang, Shi Zhang, Jinbo Jiao, Wenqian Li, Ji Xun, Xiaogang Sun, Yan Guo, Ximing Huan, Pin Dong, Bo Zhang, Lingling Hu, Xiaoli Sun, Xiaoqing Wang, Jing Zhao, Chengtian ...

The air capillaries are also interconnected with narrow openings, unlike the blind-ending alveoli of the mammalian lung. Avian air sacs have evolved to fit within the coelom (body cavity) without ...

level=2 child=5 crawly / crescendo / crossbowman / cryopump / cubit / cuneal / curtainfall level=3 child=0 crabhole / craftiness / craniad / crashworthy level=4 child=0 coxy / cozen / crabbery / ...