Read the given statements about blood vascular system of cockroach A. Circulatory system of coc...

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Read the given statements about blood vascular system of cockroach

A. Circulatory system of cockroach is of closed type
B. It contains no blood vessels except aorta of heart.
C. Heart is six chambered
D. The haemolymph is composed of colourless plasma and haemocytes

Which of the statement (s) given above is/are incorrect?
(A) Only A
(B) \( A, B \) and \( C \)
(C) \( A \) and \( C \)
(D) Only D
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