Postterior Vena Cava Research Paper

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Posterior vena cava: The Posterior vena cava is found in the lower body below the heart and extending to the heart. It is much smaller than the anterior vena cava. This vein brings nonoxygenated blood from the lower part of the body to the right atrium. The posterior vena cava is part of the circulatory system.

Heart: The heart is a thick muscle located near the center of the chest between the lungs. It looks like a quenched fist, pinkish in color and is surrounded by the pericardium. Its function is to pump oxygenated blood from the heart to the rest of the body and supply them with blood. The heart is part of the circulatory system.

Pericardium: The pericardium protects the heart from infections and provides lubrication to the heart for pumping blood. The pericardium surrounds the entire heart. It looks like a clear zip lock baggy filled with fluid. The pericardium is part of the circulatory system.
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It is located near the heart and also found in the neck region. It appears as a rough looking patch of skin or fat sitting on top of the heart. It is part of the endocrine system because of its role in producing hormones.

Lungs: The lungs take in oxygen from the trachea and supply it to the nonoxygenated blood. There are two large lobes of lungs found on both sides of the heart and underneath the rib cage. The lungs help with oxygenation, so they are part of the respiratory system.

Esophagus: The esophagus is in charge of bringing food down from the mouth and leading it to the stomach. It is located in the thoracic cavity underneath the trachea and appears much less firm than the trachea. The esophagus belongs to the digestive

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