Fish breathe with the help of gills which are richly supplied with blood vessels. The gills help the fish to [NCERT Exemplar]
A. take in oxygen from air
B. take in oxygen dissolved in water
C. absorb nutrients present in water
D. release waste substances in water
Answer:B
Fish breathe with the help of gills which are richly supplied with blood vessels. The gills help the fish to [NCERT Exemplar]
A. take in oxygen from air B. take in oxygen dissolved in water C. absorb nutrients present in water D. release waste substances in water