Subject :NSO Class : Class 5
The given diagram represents the circulatory system.
Which arrows represent the blood that is rich in oxygen?
A Y and Z
B W and Y
C X and Z
D W and X
Please explain me the answer....
Ans 1:
Class : Class 6
Ans is A because lungs send oxygen-rich blood to the heart and this oxygen-rich blood is sended to all body parts and the carbondioxide-rich blood goes back to the heart from the body this carbondioxide-rich blood is sended to the lungs.
Ans 2:
Class : Class 8