The major vein that delivers blood from the lungs to the heart is the
femoral vein.
inferior vena cava.
superior vena cava.
pulmonary vein.
jugular vein.
pulmonary vein
The major vein that delivers blood from the lungs to the heart is the pulmonary vein. To determine the correct answer, it would be helpful to have some basic knowledge of human anatomy and the circulatory system.
The circulatory system is responsible for the transportation of blood throughout the body. It consists of the heart, blood vessels (including veins and arteries), and blood itself. Veins are blood vessels that carry blood towards the heart, while arteries carry blood away from the heart.
Given that the question asks about the vein that delivers blood from the lungs to the heart, we can eliminate veins that carry blood to other areas of the body, such as the femoral vein (which carries blood from the leg) and the jugular vein (which carries blood from the head and neck).
The main veins that return blood to the heart are the superior vena cava (SVC) and the inferior vena cava (IVC). The SVC collects deoxygenated blood from the upper body, including the head, neck, and upper limbs. On the other hand, the IVC collects deoxygenated blood from the lower body, including the abdomen and lower limbs.
However, the question specifically asks about the vein that brings blood from the lungs to the heart. Oxygenated blood from the lungs is transported through the pulmonary vein. Therefore, the correct answer is the pulmonary vein.