Question

Why is the portion of lung tissues within the body an andvantage for terrestrial animals?​

Answer 1

Answer:

Cellular respiration involves the breakdown of organic molecules to produce ATP. A sufficient supply of oxygen is required for the aerobic respiratory machinery of Kreb's Cycle and the Electron Transport System to efficiently convert stored organic energy into energy trapped in ATP. Carbon dioxide is also generated by cellular metabolism and must be removed from the cell. There must be an exchange of gases: carbon dioxide leaving the cell, oxygen entering. Animals have organ systems involved in facilitating this exchange as well as the transport of gases to and from exchange areas.

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Answer 2

Answer:

It is an advantage because it protects the moist respiratory epithelial surface from desiccation, or drying out in the air.