Answer :

Heart, chest cavity, diaphragm above and between the two lungs, behind the sternum, pointed tip backhanded case, cone-shaped and everyone fist-sized organ. (Adult females 230 - 280 g, adult males 280-340 g is between).
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Inferior/Superior vena cava
right atrium
tricuspid valve
right ventricle
pulmonary valve
pulmonary trunk
pulmonary arteries
lungs
pulmonary veins
left atrium
bicuspid valve
left ventricle
aortic value
aorta
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