TS EAMCET Medical 10 AUG 2021 Shift 1 Paper

Study the following and pick up the correct statements
I. Contraction of the dorso longitudimal muscles elerate the wings in cockroach
II. Rectal papillae help in water conservation in cockroach
III. Second chamber of heat from the anterior part lies in metathorax of cockroach
IV. Inner cuticular lining of trachea of cockroach is called intima