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it has more oxygen than arterial blood

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Q: What are causes of dark venous blood?
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Related questions

Is it true that venous blood is a dark red color?

Very dark red.


What is the color of venous blood?

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.


How does venous circulation help to maintain blood pressure when hemorrhaging causes blood loss?

carefully


What type of hemorrhage is characterized by a steady even flow of dark red blood?

Venous


Which type of hemorrhage is characterized by a steady even flow and the blood will be dark in color?

Venous


What does dark red blood cells indicates?

They are carrying carbon dioxide and are from the venous part of the circularity system.


What causes venous ulcer?

Venous ulcer are caused by venous insufficiency (improper functioning of venous valves).


What causes venous bleeding?

Bleeding from a vein. bleeding from the vein. usually a dark red slow bleed.


What is the color of unoxygenated blood?

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


How is blood pressure maintained in veins to cope with the force of gravity?

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).


Why arterial blood is more alkaline than venous blood?

pulmonary arterial blood as it has moce CO2 than venous


What is The slightly lower pH of venous blood compared to arterial blood is caused by?

The influx of carbon dioxide in venous blood.