Every minute, your heart beats about 60 to 100 times, pushing blood through a network of vessels that, if laid end to end, would stretch over 60,000 miles. Two types of vessels do the heaviest lifting in this journey arteries and veins. Most students can tell you that arteries carry oxygen-rich blood and veins carry it back, but stop there. …
Difference Between Arteries and Veins: Types, Functions & Similarities Explained
