Body Fluids and Circulation Question 81

81. Closed circulatory system occurs in

[1994]

(a) cockroach

(b) tadpole/fish

(c) mosquito

(d) housefly

Show Answer

Answer : b

Hints & Solutions

(b) Closed circulatory system means blood flows in some definite vessels in a specific direction in more organised manner than that of open system in which blood does not flow in vessels.