An ____ is a particle or mass that travels through the ____, often composed of ____ blood cells. It can get ____ in a blood ____ and block it, causing organ damage. Most ____ arise from ____, but bits of plaque, fat, air bubbles, and other material also qualify as emboli.When an embolus ____ a blood vessel, it is called an ____ event . As an embolus moves through the body's blood vessels, it is likely to come to a passage it can't fit through, and it lodges there, backing up blood behind it. The cells that normally get their blood ____ via this passage are starved of oxygen ____ and die. This condition is called an embolism.

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