Which of these characteristics is true about the vascular system of cockroach?
A. Closed type
B. Red hemolymph
C. Poorly developed blood vessels
D. Haemocoel does not contain visceral organs
Answer:C
Which of these characteristics is true about the vascular system of cockroach?
A. Closed type B. Red hemolymph C. Poorly developed blood vessels D. Haemocoel does not contain visceral organs