The Inferior vena cava-just like the Superior vena cava -, returns blood to the heart. When blood is returning to the heart, that blood is already circulated in the body, therefore it is already downloaded the oxygen to the body tissues, and picked up the carbon dioxide from them.
Harrington is located in Kent County in Delaware. 1  Population: 3,582. 2  Area: 2.75 sq. miles Land Area: 2.75 sq. miles. 3  Population Density: 1,300.65 people per sq. mile.  Elevation: 49.54 1  ft. Time Zone: Eastern Standard Time (GMT 2  -5) Daylight Savings:  Yes.
Historical data of the population of Rouen from 1968 to 2007 : Population of Rouen was 108 569 inhabitants in 2007, 106 560 inhabitants in 1999, 102 723 inhabitants in 1990, 101 945 inhabitants in 1982, 114 834 inhabitants in 1975 and 120 471 inhabitants in 1968.