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In our heart, all the four chambers are ...

In our heart, all the four chambers are completely partitioned. It results in non-mixing of oxygenated blood with deoxygenated blood. Explain the double circulation related to it.

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In some animals the oxygenated and deoxygenated blood are mixed .

Assertion : In fishes the oxygented and deoxygenated blood are mixed . Reason : the blood passes through the heart only once .

Assertion : human heart shows double circulation . Reason : In double circulation the oxygenated and deoxygenated , blood are mixed and pass through the heart only once .

In some animals , the oxygenated and deoxygented blood are mixed and pass through the heart only once is called _______.

In ................ circulation, the blood from heart is taken to the lungs by pulmonary artery and the oxygenated blood from the lungs is emptied into the left auricle by the pulmonary vein.

Assertion : There is no mixing of oxygenated and deoxygenated blood in the human heart. Reason : Valves are present in the heart which allows the movement of blood in one direction only.

when the blood circulates twice through the heart in one complete cycle is called _______.

SARAS PUBLICATION-MARCH 2019 QUESTION PAPER-EXAMPLE
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  19. Write the kingdom, phylum and class for Pigeon. Write the characterist...

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  20. In our heart, all the four chambers are completely partitioned. It res...

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  21. Differentiate between sympathetic and parasympathetic Neural system.

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