Uros Floating Islands, Lake Titicaca Puno, Peru and Bolivia. Secluded from the world are the Uros Islands in Lake Titicaca Puno which sits on the border of Peru and Bolivia. The pre-Incan Uru tribe live on forty-two floating islands that are made out of totora reeds.
1 A blood clot is a mass formed by platelets and fibrin in the blood to stop bleeding. 2  There are a variety of risk factors and illness that can lead to blood clot formation. 3  Causes of blood clots may include: 4  certain heart conditions,5  pregnancy, 6  prolonged immobility, 7  smoking, 8  certain medications, 9  surgery, and. A blood clot is a mass formed by platelets and fibrin in the blood to stop bleeding. 2  There are a variety of risk factors and illness that can lead to blood clot formation. 3  Causes of blood clots may include: 4  certain heart conditions,
Thrombosis is the formation of a blood clot inside a blood vessel, obstructing the flow of blood through the circulatory system. When a blood vessel is injured, the body uses platelets (thrombocytes) and fibrin to form a blood clot to prevent blood loss.