Biology, asked by soniajanet2324, 9 months ago

why are gills in fish highly vascularized?

Answers

Answered by NSOULEDHARRY

The concentration of oxygen in water is lower than air and it diffuses more slowly. ... Rather than using lungs "Gaseous exchange takes place across the surface of highly vascularised gills over which a one-way current of water is kept flowing by a specialised pumping mechanism.

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