ANATOMY

Detailed explanation-1: -Arteries carry blood away from your heart. Veins carry blood back toward your heart. Capillaries, the smallest blood vessels, connect arteries and veins. 07-Sept-2021

Detailed explanation-2: -Your pulmonary veins, superior vena cava and inferior vena cava (veins) carry blood into your heart.

Detailed explanation-3: -Capillaries surround body cells and tissues to deliver and absorb oxygen, nutrients, and other substances. The capillaries also connect the branches of arteries and to the branches of veins. The walls of most blood vessels have three distinct layers: the tunica externa, the tunica media, and the tunica intima.

Detailed explanation-4: -Arteries are defined as the blood vessels that carry oxygenated blood from the heart to the tissues. On the other hand, veins are defined as the vessels that carry deoxygenated blood from organs back to the heart. On the other hand, capillaries are defined as the smallest vessels that link arteries and veins.

Detailed explanation-5: -Veins are the blood vessels that carry the blood to the atrium of the heart. Veins have thin walls and are generally located just beneath the skin. Most of the veins carry deoxygenated blood from the organs and tissues to the heart.