Select the correct statement regarding the blood vascular system of cockroach.
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a
Blood vessels are absent
b
Colorless blood without blood cells
c
Blood flows through sinuses, blood vessels, and heart
d
Blood flows posteriorly in the heart.
answer is C.
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Detailed Solution
1)Blood vessels are poorly developed. 2) Blood is composed of colorless plasma and hemocytes. 3) In cockroach, the blood vascular system is an open type, the blood flows through the heart, blood vessels, and blood sinuses4) blood flows anteriorly in the heart.