Body Fluids and CirculationHard
Question
Closed circulatory system occurs in
Options
A.cockroach
B.tadpole/fish
C.mosquito
D.house fly
Solution
Closed circulatory system is usually high pressure system , in which blood flows in closed tubular structures called blood vessels (arteries, veins and caipllaries). It is found in most or annelids, cephalopods, among the molluscs and all vertebrates including human beings. In this of system there is no direct contact between body tissues and blood.
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