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Subject :NSO    Class : Class 7

Read the given passage and select the correct option for (i) - (iii).

(i) are present in the chest cavity. This cavity is surrounded by (ii) on the sides which form a cage like structure. A large muscular sheet called (iii) forms the floor of the chest cavity.

A (i)-Lungs; (ii)-Ribs; (iii)-Diaphragm
B (i)-Diaphragm; (ii)-Ribs; (iii)-Lungs
C (i)-Bronchi; (ii)-Ribs; (iii)-Lungs
D (i)-Trachea; (ii)-Bronchi; (iii)-Lungs


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