nt in any
diagonals. Find the words
about those words are given below
RESPIRATION IN ORGANISMS
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cello X CALIBER
The air tubes of insects
(ii
) Skeletal structures surrounding chest cavity
Muscular floor of chest cavity
(iv) Tiny pores on the surface of leaf
Small openings on the sides of the body of an insect
The respiratory organs of human beings
(vii) The openings through which we inhale
(viii) An anaerobic organism
An organism with tracheal system
9. The mountaineers carry oxygen with them because:
At an altitude of more than 5 km there is no air.
(vi)
(ix)
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