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Select incorrect statement
Option: 1
Fishes having 2-chambered heart
Option: 2
Crocodiles having 3-chambered heart
Option: 3
Mammals and aves are warm blooded
Option: 4
Number of bones in human are 206
Answers (1)
As we learnt ,
Working of heart in fishes -
In fishes the heart pumps out deoxygenated blood which is oxygenated by the gills and supplied to the body parts from where deoxygenated blood is returned to the heart
- wherein
This is called (single circulation)
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