What is the role of gills in respiration?
A. Gills store nutrients for the fish.
B. Gills are used for swimming and navigation.
C. Gills help in regulating body temperature.
D. Gills facilitate respiration by extracting oxygen from water and expelling carbon dioxide.
Select your answer:
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Anatomy and Physiology › ViewThe branch of science that studies the cell
A. Microbiology
B. Cytology
C. Hematology
Reproduction › View
Which is not an advantage for asexual reproduction?
A. Less genetic variation
B. No need for a mate
C. Quick
D. Produces more offspring