Subject :NSO Class : Class 5
Refer the given figure showing respiratory system and answer the questions that follow.
a. Which of the labelled parts is protected with the rib-cage?
b. In which of these labelled parts, exchange of gases takes place?
(a) a-M b-L
(b) a-N b-L
(c) a-N b-N
(d) a-M b-N
Ans 1:
Class : Class 6
Ans is C because lungs are protected by the ribcage and exchange of gases happen in lungs' bronchioles.
Ans 2:
Class : Class 5