MICROANATOMY

Detailed explanation-1: -The superior vena cava is the large vein that brings blood from the head and arms to the heart, and the inferior vena cava brings blood from the abdomen and legs into the heart.

Detailed explanation-2: -Arteries carry blood away from the heart and veins carry blood back to the heart.

Detailed explanation-3: -Your aorta and pulmonary trunk (arteries) send blood out of your heart. Your pulmonary veins, superior vena cava and inferior vena cava (veins) carry blood into your heart.

Detailed explanation-4: -The artery is the blood vessels which carry the blood away from the heart towards the body parts. The arteries forms smaller and thinner capillaries which supply blood to the different organs in the body. The vein carry blood from body parts to heart.