The circulatory system of cockroach

Read the given statements about the blood vascular system of cockroach. I. The circulatory system of cockroach is of closed type II. It contains no blood vessels except aorta of the heart . III. The heart is 6 - chambered. IV The haemolymph is composed of coloruless plasma and haemocytes. Which of the statement (s) given above is / are INCORRECT ?

Assertion : - Circulatory system of cockroach does not contain any capillary. Reason :- Blood of cockroach does not contain any respiratory pigment.

Circulatory system of cockroach is not known to possess

Circulatory system of Cockroach is present

Haemocoelomic system is the circulatory system of

Open circulatory system occurs in

Open circulatory system occurs in

Discuss the respiratory system or circulatory system of frog.