Circulatory System
Humoral Control of the Circulation
Humoral control of the circulation means control by substances secreted or absorbed into the body fluids- such as hormones and locally produced factors. Among the most important of the humoral factors that affect circulatory function are the following: Vasoconstrictor Agents Norepinephrine and Epinephrine: Norepinephrine is an especially powerful vasoconstrictor hormone; ... Read More