[キャンベル生物学 第994页] Campbell Biology 12th Edition
▼ Figure 42.26 The avian respiratory system. This diagram traces a breath of air through the respiratory system of a bird. Image: A diagram illustrating the avi
▼ Figure 42.26 The avian respiratory system. This diagram traces a breath of air through the respiratory system of a bird. Image: A diagram illustrating the avi