11. Comparison of Blood Vessels Feature Artery Capillary Vein Tunica Externa √ X √ Tunica Media Thick X Thinner Tunica Interna √ √ √ Size of Lumen Small Microscopic Large Valves X X √
12.
Notes de l'éditeur
Label the diagrams in their workbooks
What is collagen? Why does tunica media have mainly muscle? What is vasoconstruction and vasodilation? How does tunica intima control blood vessel diameter?
Why does the artery have more elastic tissue and smooth muscle than vein?
Copy In Workbooks 1.Why are arteries needed to be strong? 2. What is meant by high pressure? 3.Why do arterioles need to control blood flow?
1.Draw vein valves and link to varicose vein 2. Why do veins have less walls than that of artery