Name the two types of transport system in humans? Name one animal having single circulation of blood and another having double circulation of blood? Why is it nesessary to seperate oxygenated blood and deoxygenated blood in mammals and fish?

Asked by priya prasad | 22nd Jul, 2011, 12:00: AM

Expert Answer:

i) Pulmonary and systemic circulation
ii) Single circulation - fish, double circulation - humans, rats
iii) Mammals and birds need high energy requirements. More energy can be released if mixing of blood is prevented.

Answered by  | 24th Jul, 2011, 09:05: AM

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