Read the given statements about blood vascular system of cockroach.
I. It is of closed type.
II.... VIDEO
Read the given statements about blood vascular system of cockroach.
I. It is of closed type.
II. It contains no blood vessels except aorta.
III. Heart is 6 chambered.
IV. The haemolymph is composed of colourless plasma and haemocytes.
(A) Only I
(B) I, II and III
(C) I and III
(D) Only IV
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