Oxygen never fully dissociates from the haemoglobin in the red blood cells. There is a lot more oxygen in arterial blood, but there is still oxygen in veinal blood too.
Veins carry oxygen depleted blood to the heart.
The pulmonary veins carries oxygen rich blood from the lungs to the heart.
Blood in veins is sent to the heart to get oxygen.
Varicose Veins 2nd answer: . . . or, blood vessels with less oxygen are veins?
The only veins that have oxygen in them are the pulmonary veins. The definition of a vein is a blood vessel that carries blood to the heart. This blood is usually de-oxygenated, but the pulmonary veins are the exception.
blood in the most veins are oxygen poor blood because it gives greenish colour.
Veins are the blood vessels that usually carry oxygen-poor blood. The exception is the pulmonary vein, which carries oxygenated blood.
Oxygen.
Usually veins carry blood low in oxygen back to the heart except for the pulmonary veins. They carry blood higher in oxygen.
Coronary veins have oxygen rich blood. Hope I helped (:no, they carry deoxygenated blood to the coronary sinus.
yes veins are red because they have oxygen in them and when blood is exposed to oxygen it turns red.
Arteries, capillaries, and veins carry oxygen in the blood.