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How many types of circulatory pathways are present in the animal kingdom?(a) One(b) Two(c) Three(d) FourI have been asked this question in an interview.I'd like to ask this question from Double Circulation topic in chapter Body Fluids and Circulation of Biology – Class 11

Answer»

Correct choice is (b) Two

For EXPLANATION: The circulatory pathways are of two major types-open circulatory SYSTEMS and CLOSED circulatory system. The closed circulatory system is considered to be more advantageous as the flow can be more precisely REGULATED.



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