The darker blood is older blood while the red is newer.
Deoxygenated blood is typically a dark red or maroon color.
dark red
Dark Green,smoky gray sometime they are Light black
When blood lacks oxygen, it appears dark red or maroon in color.
Very dark red.
Dark blue
A very dark red.
The spleen is typically a dark purplish-red color due to its high concentration of blood vessels.
Oxygenated blood is bright red; deoxygenated blood is dark red.
Granite is felsic on the color index. It is largely composed of potassium feldspar and quartz.
Before coming into contact with oxygen, blood is typically a dark red or maroon color.
Before coming into contact with oxygen, blood is typically a dark red or maroon color.