Blood vessels 0.0 / 5 ? BiologyHuman, animal and plant physiologyASAQA Created by: Jalal12362Created on: 29-04-18 16:21 Which blood vessel carries blood away from the heart? Arteries 1 of 13 At what pressure do arteries carry the blood? High pressure 2 of 13 What do arteries have that allows them to stretch? Elastic tissue 3 of 13 How does recoiling of arteries affect blood flow? Maintains a smooth pressure 4 of 13 Where do veins carry the blood to? Towards the heart 5 of 13 What 2 things do veins have that arteries dont? Wider lumen and thin layer of muscle 6 of 13 What type of endothelium do veins have? smooth endothelium 7 of 13 What does thin layer of muscle prevent veins from doing? Contracting 8 of 13 What does smooth endothelium allow veins to have? To be able to reduce friction 9 of 13 How do valves help the veins? Prevent back flow of blood 10 of 13 What blood vessels do we have around cells? Capillaries 11 of 13 Why do we need capillaries to surround cells? To exchange substances 12 of 13 Why do we need large surface area for capillaries? Fast rate of diffusion 13 of 13
Explain the course of events that leads to atherosclerosis (endothelial damage, inflammatory response, plaque formation, raised blood pressure). (Activity 1.8) 0.0 / 5
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