a) Label parts numbered 1, 2, 7, 8.2 and 9.2
b) What type of blood (oxygenated or deoxygenated) is transported by blood vessels
1, 3 and 6?
c) What possible danger to human health exists if the lumen of structure 4 is ob-
structed with a thick layer of cholesterol
d) Discuss what happens during ventricular systole in the cardiac cycle.- Study the diagrams below illustrating the structure of different types of blood vessels.
Graph A shows the average blood pressure in different blood vessels in the human
body, while graph B indicates the rate of blood flow in the different blood vessels.
Tabulate three structural differences between an artery and a vein.- The accompanying diagram represents the basic human blood circulation. Study the
diagram and answer the questions.
252 8.5. Summary