An embolus is anything which travels through the blood vessels until it reaches a vessel that is too small to let it pass through, and this causes the blood flow to stop. Basically, a thrombus is the blood clot itself, and the embolus is a fraction of the blood clot which travels through the blood vessels.
1.) mitosis is a cell of duplication. Where one cell divides into 2 genetically identical daughter cell
Where is the question? Also this is geology not biology.
