Blood Vessels 0.0 / 5 ? BiologyLife processesGCSEAQA Created by: maddy8488Created on: 01-02-14 17:15 Capillaries are how many cell thick? one 1 of 9 What carries blood to the heart? Veins 2 of 9 Arteries carry blood at what pressure? High 3 of 9 Veins have what? Valves 4 of 9 Capillaries can do what to substances? Diffuse them in and out 5 of 9 Capillaries only having one cell thick walls helps? Increase the rate of diffusion 6 of 9 Arteries branch into what? Capillaries 7 of 9 The valves in vains do what? Keep the blood flowing in the right direction 8 of 9 The wall of an artery is thick compared to the what? Lumen (hole down the middle) 9 of 9
Comments
No comments have yet been made