Match the terms for the vessels A. Capillary B. Artery c. Vein 1. Larger lumen 2. location for gas exchange 3. composed only of simple squamous endothelium 7. has the larger tunica media 5. carries blood away from the heart 6. carries blood toward the heart 7. "Capacitance vessels" that can act as a reservoir for the blood 8. is a high(er) pressure environment .