Which one of the following animals has two separate circulatory pathways? (a) Whale (b) Shark (c) Frog (d) Lizard

Which one of the following animals has two separate
circulatory pathways?
(a) Whale (b) Shark
(c) Frog (d) Lizard
by

1 Answer

Answer :

(a) Whale
by

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The closed circulatory system is more efficient. Since blood circulates only inside blood vessels it can do it with more pressure reaching farther distances between the organs where hematosis happens and the peripheral tissues. In addition the circulatory speed also heightens making possible more oxygen supply to great consuming tissues, like the muscle tissues that then can perform faster movements. Animals with an open circulatory system (with the exception of insects that do gas exchange independently from the circulation) are generally slower and have a low metabolic rate.

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Animals having open circulatory system POSSESSES – (1) coelenteron (2) spongocoel (3) pseudocoel (4) haemocoel

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Define the circulatory system of animals. What are its main types?

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In which of the following animals, is open circulatory system found? (1) Prawn (2) Earthworm (3) Toad (4) Man

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Last Answer : Prawn

Animals having open circulatory system possesses : (1) coelenteron (2) spongocoel (3) pseudocoel (4) haemocoel

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Last Answer : haemocoel