Final answer:
There are three major types of blood vessels: arteries, veins, and capillaries.
Step-by-step explanation:
Blood vessels are part of the cardiovascular system that transports blood throughout the human body. There are three major types of blood vessels: arteries, veins, and capillaries. Arteries carry blood away from the heart, while veins carry blood towards the heart. Capillaries are tiny blood vessels that connect arteries and veins, allowing for the exchange of oxygen, nutrients, and waste products with body tissues.