circulation

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Across
  1. 2. a fluid connective tissue composed of a fluid matrix,plasma and the blood corpuscles
  2. 4. The opening of right and left ventricle to pulmonary artery and aorta respectively is controlled by
  3. 5. formation of clot in the coronary artery
Down
  1. 1. all four chambers are in relaxed state called
  2. 3. mesodermally derived muscular organ, present in thoracic cavity between the two lungs