Subject :NSO Class : Class 5
Where does the exchange of gases takes place in mammals?
A Windpipe
B Lungs
C Blowhole
D Both B and C
But whales breath through blowhole.They are mamals
Ans 1:
Class : Class 6
correct answer is option (D). as dolphin
Ans 2:
Class : Class 5
What about whales and dolphins?
Ans 3:
Class : Class 5
B
Ans 4:
Class : Class 5
oh that means blowholes are just like winpipegot it
Ans 5:
Class : Class 5
Ans is d as dolphins and whales are mammals and breathe through blowholes
Ans 6:
Class : Class 7
Blowhole is used to take oxygen in, but exchange of gases take place in lungs.
Ans 7:
Class : Class 6
the answer should be D because-1. dolphins and whales are mammals
Ans 8:
Class : Class 5
D is the correct ans
Ans 9:
Class : Class 6
ans. is d as dolphin is mammal and breathes through blowholes
Ans 10:
Class : Class 6