what is the difference between a vein and a blood vessel
An artery is a blood vessel as well as a vein. Explanation: The difference between an artery and a vein is that an artery takes blood (usually in hight O2, except pulmonary artery that goes to the lungs) away from the heart and a vein brings blood (low O2, except pulmonary vein that comes from the lungs) from the body to the heart. Was this helpful? Let the contributor know!