Simply put, arteries carry blood away from the heart, and veins carry blood back to the heart. WHAM! BAM! THANK YOU, MAM! OHHhhh.. But only if it stopped there. We not only included this little gem of a definition, but we all listed ALL the things that differentiate these two onto a museum-quality poster made on thick and durable matte paper.

• Paper thickness: 10.3 mil
• Paper weight: 5.6 oz/y² (192 g/m²)
• Giclée printing quality
• Opacity: 94%

Illustrations:
http://bitly.ws/8Jwv
http://bitly.ws/8Jww
http://bitly.ws/8Jwx

Sources:
http://bitly.ws/8Jwy