Question

1.In most vertebrates, gaseous exchange occurs through
2.Fish respire through fill in the blanks​

Answer 1

Answer:

1. In most of the vertebrates gaseous exchange occurs through lungs or skin.

2. Fish breathe with their gills, and they need a constant supply of oxygen. Gills sit under the operculum. This is called the gill slit.

Answer 2

Answer:

(1) In most of the vertebrates gaseous exchange occurs through lungs or skin.

(2) Fish breathe through their gills .

Explanation:

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