Subject :NSO Class : Class 7
The given graph shows changes in the pressure in lungs during breathing.
Which of the following is incorrect regarding this?
(i) Region R to T represents inhalation.
(ii) Region P to R represents inhalation.
(iii) Region P to R represents exhalation.
(iv) Rib cage will move upward and diaphragm will get flattened at point S.
(v) Rib cage will move downward and diaphragm will become dome shaped at point S.
A(ii), (iii) and (v) only
B(i), (iii) and (iv) only
C(ii) and (v) only
D(i) and (iii) only
hi
Ans 1:
Class : Class 7
sorry B not ABut Definitely not C
Ans 2:
Class : Class 9
Ans 3:
Class : Class 6
Ans 4:
Class : Class 7
the aanswer is A , even the explanation that is given proves so...