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Subject :NSO    Class : Class 3

The organ system in your body that is responsible for changing the balloon from 'a' to 'b' as shown in the given figure is

b-7.eps

(A) Digestive system

(B) Circulatory system

(C) Respiratory system

(D) Skeletal system.


Ans 1:

Class : Class 4
c

Ans 2:

Class : Class 5
C

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