Answers

2014-09-24T19:50:44+05:30
External - it consists 0f posterior vena cava, vena cava, aorta, coronary artery, pulmonary artery and pulmonary vein.
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2014-09-24T19:54:49+05:30
The external structure of the heart is made up of vena cava, aorta, pulmonary artery and vein.

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