Veins, Capillaries and Arteries 0.0 / 5 ? BiologyCellular processesA2/A-levelEdexcel Created by: francesca_321Created on: 21-02-16 16:29 What do arteries carry? high blood pressure blood away from the heart 1 of 14 What does the thick muscle layer to withstand? high blood pressure 2 of 14 at does the elastic tissue allow? the artery to stretch when blood is forced into it 3 of 14 The elastic layer recoils when? during diastole 4 of 14 What size is the lumen? small 5 of 14 What do veins carry? low blood pressure towards the heart 6 of 14 What do valves stop? backflow 7 of 14 What does the large lumen do? decrease effect of friction 8 of 14 What is the Collagen layer? protective 9 of 14 Why isnt it a round shape? not thick enough to hold shape 10 of 14 What are capillaries adapted for? exchange 11 of 14 They are not what? Connected directly to the heart 12 of 14 What are the walls to the capillary? One cell thick 13 of 14 What is there none in the wall? no muscle or elastic tissue 14 of 14
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