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Heart is enclosed in a double walled ...

Heart is enclosed in a double walled sac called _______.

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pericardium
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SURA PUBLICATION-TRANSPORTATION IN PLANTS AND CIRCULATION IN ANIMALS-ADDITIONAL QUESTIONS & ANSWER ( FILL IN THE BLANKS : )
  1. Decrease in number of thrombocytes .

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  2. The Heart is made of specialized type of muscle called the mu...

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  3. Heart is enclosed in a double walled sac called .

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  4. The pericardial fluid reduces during heart best and protects the...

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  5. The two lower thick walled chambers of heart are called .

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  6. The human heart is chambered .

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  7. The chambers of heart are separated by partition called .

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  8. The two auricles are separated from each other by .

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  9. Pulamonary veins bring to the left atrium form the lungs .

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  10. The two ventricles are separated from each other by an .

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  11. The right and left supply deoxygenated blood to the lungs.

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  12. The heart contains types of valves .

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  13. valve is located between the right auricle and right ventricle ...

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  14. The muscular projection of the ventricle wall is muscles .

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  15. valcces prevent backward blood to all the organs of the body .

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  16. carries oxygenated blood to all organs of the body .

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  17. The path of pulmonary circulation starts in the ventricle .

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  18. Cardiac muscles receive oxygenated blood from .

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  19. unite to form large lymphatic vessels .

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  20. A root concentrates minerals by .

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