Arteries, veins and capillaries 0.0 / 5 ? BiologyBiological molecules, organic chemistry and biochemistryASOCR Created by: lou2Created on: 02-11-16 13:44 What is the middle part that the blood flows through called? lumen 1 of 10 Arteries carries blood .... the heart from 2 of 10 What allows the veins and arteries to stretch and recoil? elastic fibres 3 of 10 The contraction of smooth muscle is called... vasoconstriction 4 of 10 The relaxation of smooth muscle is called... vasodilation 5 of 10 Arteries have to withstand what? high blood pressure 6 of 10 What are smaller veins called? venule 7 of 10 Capillaries connect arteries to what? veins 8 of 10 One vessel has a semi-permeable membrane, which one? capillaries 9 of 10 What prevents back flow in veins? valves 10 of 10
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