How are the various types of blood vessels different in structure? How do these structural differences relate to their functions? Consider the presence of valves, muscular control of constriction and dilation, and the presence or absence of multiple tissue layers.

Question

How are the various types of blood vessels different in structure?  How do these structural differences relate to their functions?  Consider the presence of valves, muscular control of constriction and dilation, and the presence or absence of multiple tissue layers.

DrBob222 · Answer

Try these sites. http://www.ivy-rose.co.uk/Topics/Blood_Vessels.htm (Broken Link Removed) (Broken Link Removed) (Broken Link Removed)