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.
The formal boundaries for the Hampstead Census Designated Place (see map below) encompass a land area of 20.24 sq. miles and a water area of 0.14 sq. miles. Pender County is in the Eastern time zone (GMT -5). The elevation is 36 feet. The Hampstead Census Designated Place (GNIS ID: 2628632) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name.