Answers

2016-02-05T19:25:47+05:30
Our heart has 4 chambers. 
2Autrium and 2 Ventricles.
Autrium receives blood from 2 main veins.
Ventricle transports blood to entire body and lungs.
 
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2016-02-05T21:22:17+05:30
Human heart is 4 chambered
contains Auricles, ventricles, aorta,superior and inferior venacavae , pulmonary artery,pulmonary veins, Av valves, semi lunar valves etc......
pulmonary artery pumps impure blood into the lungs
Pulmonary veins collect pure blood from the lungs
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