Coagulation refers to a blood clot that forms because of an open wound or from cholesterol within blood vessels. Agglutination occurs when an antibody forms in the blood, and bacteria, blood cells and other cells clump together to fight infections.Know More
Blood clots also form when blood fails to flow properly in the body. Blood clots stop bleeding in open wounds, but clots can cause a heart attack or stroke when they form within a blood vessel.
Agglutinins are antibodies that form as an immune reaction, such as when someone catches a cold. Conditions such as lymphoma and mycoplasma pneumonia cause elevated cold agglutinins in normally healthy people.Learn more about Blood
Humans blush when veins in the face respond to the chemical adenylyl cyclase, which allows adrenaline to act on blood vessels and cause redness. When the blood vessels dilate, or open up, more redness appears in the face as blood just beneath the skin. Drinking alcohol and sexual arousal also cause face redness, but blushing from embarrassment is a unique biological phenomenon based on an adrenaline response.Full Answer >
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 than blood in the veins.Full Answer >
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.Full Answer >
Plasma is the blood fluid that carries blood clotting agents, while serum is the water fluid from blood without the clotting factors. Fibrinogen is a clotting agent in plasma.Full Answer >