In fish gills are usefull for
1. digestion
2.Reproduction
3. Excretion
4.Respiration
Answers
Answered by
1
Answer:
option d
respiration
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Answered by
0
Answer:
Respiration.
Explanation:
Respiration in fish takes place with the help of gills. Most fish possess gills on either side of their head. ... Fish take in oxygen-rich water via their mouths and pump it over their gills. When water moves over the gill filaments, the blood within the capillary network takes up the dissolved oxygen.
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