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.
Most / Least Educated Cities in MT. As of 2010-2014, the total population of Havre is 9,668, which is 0.49% more than it was in 2000. The population growth rate is much lower than the state average rate of 11.55% and is much lower than the national average rate of 11.61%.