Blood clotting doesn't occur inside body ,why?
Answers
Blood clotting factors are intrinsic and extrinsic. Intrinsic factors when are in cells, tissues and plasma blood do not clot. Some of the factors as surface activation factor stimulates blood to clot when exposed.
Inside the body liver secretes a substance called heparin. This prevents clotting of blood in blood vessels. But if there is internal injury, platelets break to release a thermoplastic substance. It initiates clotting.
Answer: For blood to clot, your body needs blood proteins called clotting factors and blood cells called platelets. ... In people with bleeding disorders, however, the clotting factors or platelets don't work the way they should or are in short supply. When the blood doesn't clot, excessive or prolonged bleeding can occur.
Explanation: