When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
Did you know?
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Neil DeGrasse
Migration and Global Economy
Observed global land and ocean surface temperature anomalies since 1850
Industrial and transport sources are responsible for a large proportion of global GHG emission
The Global Positioning System determines the location of an object from its distances to ...