it has more oxygen than arterial blood
Very dark red.
interesting fact when blood is in your veins it is blue but when you get a shot oxygen hit you blood and it turns red.
carefully
Venous
Venous
They are carrying carbon dioxide and are from the venous part of the circularity system.
Venous ulcer are caused by venous insufficiency (improper functioning of venous valves).
Bleeding from a vein. bleeding from the vein. usually a dark red slow bleed.
blood is never blue but arterial blood lacking oxygen is darker... venous blood is dark red arterial blood is bright red capillary blood is brick red
The amount of venous vessel pressure causes the 'venous return' which maintains blood volume. This is driven by the efferent pathway of the sympathetic nervous system which causes the constriction of the blood vessels which pushes the red blood cells in the veins back to the heart (flow is one way due to valves in the veins).
pulmonary arterial blood as it has moce CO2 than venous
The influx of carbon dioxide in venous blood.