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.