Physiology lecture 5 0.0 / 5 ? BiologyIntroduction to the CVSUniversityNone Created by: willmiddlehamCreated on: 03-04-15 13:42 What are the two circulatory systems of the CVS? 1) Systemic 2) Pulmonary 1 of 14 Systemic .......... pressure, pulmonary ........... pressure high, low 2 of 14 What is the pH of the blood? 7.4 3 of 14 Name three properties of arteries 1) High pressure 2) Elastic 3) For distribution 4 of 14 Name two properties of arterioles 1) High resistance 2) Site for control of blood flow to tissues 5 of 14 Name two properties of capillaries 1) Thin walled 2) Exchange of materials 6 of 14 Name 3 properties of veins 1) Low pressure 2) Capacitance 3) Valves collection 7 of 14 Pulsatile in large arteries. Max=........... , Min=.............. Systolic, diastolic 8 of 14 How do you calculate flow? What is the equation called? Q = Delta P (pressure gradient) / R (resistance) Darcy's law 9 of 14 Whatif flow proportional to? Delta P Xr^4 10 of 14 How do you calculate blood velocity? V = flow/ X-SA (cross sectional area) 11 of 14 What is venous return? Amount of blood returning to the heart 12 of 14 What is stroke volume? Volume of blood pumped by 1 ventricle ~75ml/s 13 of 14 What is cardiac output? Total volume of blood pumped per ventricle per minute 14 of 14
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