When the heart contracts it pushes blood into blood ... Blood pressure is determined by Q (cardiac output) and the resistance to the blood flow (R). Resistance to blood flow is caused both by ...
The semilunar valves stop the back flow of blood into the heart. There is a semilunar valve where the aorta leaves the left ventricle and another where the pulmonary artery leaves the right ventricle.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback