In the strictest sense, blood that is being carried toward the heart is venous, while blood being carried away from the heart is arterial, according to Dictionary.com. However, with the exception of the blood carried by the pulmonary arteries and veins, blood in the arteries also carries more oxygen
The main difference between arterial and venous bleeding is the point of origin. UCSB ScienceLine explains that arterial bleeding originates from the damaged arteries while venous bleeding means losing the blood from the veins.
Lymph flow is highly dependent on the contraction of skeletal muscles and pressure alterations during breathing. Similarly, venous blood flow relies on breathing movements and contraction of skeletal muscles, "Hole’s Human Anatomy and Physiology" explains.
Arteries are blood vessels within the body that provide oxygen-rich blood to the tissues in the body, as defined by WebMD. The arteries are able to deliver this oxygen due to the pumping mechanism of the heart.
Venous skin ulcers are skin wounds that result from venous insufficiency, which is a condition in which blood in the leg veins fails to flow back to the heart due to damaged valves, according to WebMD. These wounds are shallow in nature and typically attack the lower leg sides. They are also known a
The function of the arteries is to carry oxygenated blood to organs and cells in the body. Because of this, arterial blood has a bright red color and flows away from the heart.
According to WebMD, the main artery in the body is the aorta. It is connected to the left ventricle of the heart. The aorta branches off into a web of numerous smaller arteries that exist all over the body.
Venous leg ulcers are shallow wounds that occur when the veins in the leg do not send blood back to the heart properly, according to WebMD. This condition is known as venous insufficiency, and one result is ulcers that form between the calf and ankle, along the sides of the leg.
The treatment for venous leg ulcers involves improving blood circulation by using compressions, raising the leg above the heart level and walking daily. The doctor may alsoremove the dead tissues from the wound to help speed the healing of ulcer. Wearing the leg compressions is necessary after even
Pulmonary arteries carry blood from the heart to the lungs. According to About.com, the primary pulmonary artery branches off the right ventricle of the heart before further branching into right and left pulmonary arteries on the way to the lungs. The right pulmonary artery is the longer of the two.