It doesn't it just pushes veins closer to the surface of your muscles
It does have good affects:
"In summary, regular vigorous exercise produces a training effect by "remodeling" the body's entire cardiovascular system over time"
Source:http://www.texasheartinstitute.org/HIC/HeartDoctor/answer_66.cfm
The blood starts to flow faster.
Strength of pulses is one clinical indicator of peripheral blood flow. Another is capillary refill time.
Peripheral resistance
Peripheral blood flow refers to the circulation of blood through the blood vessels outside of the heart and lungs, supplying oxygen and nutrients to the body's tissues and organs. It is regulated by mechanisms that control blood vessel diameter and blood pressure to ensure adequate oxygen delivery to all parts of the body. Disorders affecting peripheral blood flow can lead to conditions such as peripheral artery disease or Raynaud's disease.
Vasodilation and decreasing blood viscosity
Vasodilation and decreasing blood viscosity
Decreasing peripheral blood flow
Peripheral vasodilators work by relaxing the smooth muscle in the walls of blood vessels, which causes them to dilate and widen. This leads to a decrease in resistance to blood flow, resulting in increased blood flow to the peripheral tissues. This can help reduce high blood pressure and improve circulation.
Decreased peripheral resistance to blood flow is typically associated with vasodilation, which occurs when the smooth muscle in blood vessel walls relaxes. This can lead to increased blood flow to tissues and decreased blood pressure. Vasodilation can be caused by factors such as the release of nitric oxide or certain medications.
Blood flow is directly proportional to blood pressure, vessel diameter, and heart rate. When these factors increase, blood flow also increases, and vice versa.
it is called peripheral resistance.
Yes. As you exercise, the vessels of blood in the muscles dilate and thus the blood flow greatly.