![The comparative physiology of respiratory mechanisms. Respiration. RESPIRATION IN AIR 63 made, and a fairly probable figure is 90 m2 for a volume of 3 1 or 300 cm2 per cubic The comparative physiology of respiratory mechanisms. Respiration. RESPIRATION IN AIR 63 made, and a fairly probable figure is 90 m2 for a volume of 3 1 or 300 cm2 per cubic](https://c8.alamy.com/comp/REFA35/the-comparative-physiology-of-respiratory-mechanisms-respiration-respiration-in-air-63-made-and-a-fairly-probable-figure-is-90-m2-for-a-volume-of-3-1-or-300-cm2-per-cubic-centimeter-in-the-lung-of-the-frog-the-capillary-area-is-about-23-of-the-total-surface-in-man-it-would-appear-to-represent-even-a-larger-proportion-fig-36-diagram-of-rana-lung-with-complex-septa-renault-in-the-species-of-rana-known-to-the-writer-the-septa-are-more-simple-fig-37-diagram-of-testudo-lung-with-simple-bronchial-air-passages-renault-in-many-reptiles-wolf-1933-and-especially-in-snakes-REFA35.jpg)
The comparative physiology of respiratory mechanisms. Respiration. RESPIRATION IN AIR 63 made, and a fairly probable figure is 90 m2 for a volume of 3 1 or 300 cm2 per cubic
![The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and /or their characteristics. The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and /or their characteristics.](https://haygot.s3.amazonaws.com/questions/170198.png)
The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and /or their characteristics.
![In the following figure of respiratory system organs labelled by 1 and 2 are respectively: *Captionless - Brainly.in In the following figure of respiratory system organs labelled by 1 and 2 are respectively: *Captionless - Brainly.in](https://hi-static.z-dn.net/files/d43/0d54e2360e1ca3a68db1422d3f624e39.jpg)
In the following figure of respiratory system organs labelled by 1 and 2 are respectively: *Captionless - Brainly.in
![Blood and the respiratory system: Figure 1 (repeated) Components of the respiratory system. - OpenLearn - Open University Blood and the respiratory system: Figure 1 (repeated) Components of the respiratory system. - OpenLearn - Open University](https://www.open.edu/openlearn/pluginfile.php/1342361/mod_oucontent/oucontent/68710/375c4c32/934604d2/sk299_t7_fig1_01.eps.jpg)
Blood and the respiratory system: Figure 1 (repeated) Components of the respiratory system. - OpenLearn - Open University
![Figure 53.10 from 53 Respiration Concept Outline 53.1 Respiration Involves the Diffusion of Gases. 53.2 Gills Are Used for Respiration by Aquatic Vertebrates. 53.3 Lungs Are Used for Respiration by Terrestrial Vertebrates | Semantic Scholar Figure 53.10 from 53 Respiration Concept Outline 53.1 Respiration Involves the Diffusion of Gases. 53.2 Gills Are Used for Respiration by Aquatic Vertebrates. 53.3 Lungs Are Used for Respiration by Terrestrial Vertebrates | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/2d4fcf269cb13bedac696cc19dec88abc9821d30/9-Figure53.10-1.png)