ANATOMY

Detailed explanation-1: -Veins carry blood back toward your heart. Capillaries, the smallest blood vessels, connect arteries and veins.

Detailed explanation-2: -Veins. Veins carry blood toward the heart. After blood passes through the capillaries, it enters the smallest veins, called venules. From the venules, it flows into progressively larger and larger veins until it reaches the heart.

Detailed explanation-3: -The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart.

Detailed explanation-4: -The blood vessels that carry blood away from the heart are called arteries. The ones that carry blood back to the heart are called veins.

Detailed explanation-5: -Blood vessels flow blood throughout the body. Arteries transport blood away from the heart. Veins return blood back toward the heart.