Question

3.Discuss the respiratory system of all vertebrates. please answer in short​

Answer 1

Answer:

In vertebrates the skin may be respiratory (e.g., anurans), while in some fishes and aquatic turtles, the vascular rectum or cloaca is respiratory. But there are two main types of respiratory organs- gills for aquatic respiration and lungs for aerial respiration. Both gills and lungs may occur in the same animal.

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Explanation:

Answer 2

Answer:

Explanation:

There are three major types of respiratory structures in the vertebrates: gills, integumentary exchange areas, and lungs. The gills are totally external in a few forms (as in Necturus, a neotenic salamander), but in most they are composed of filamentous leaflets protected by bony plates (as in fish).