1.	Inside a healthy artery		2.	Plaque builds up
	Normal arteries are smooth and flexible, allowing oxygen-rich blood to flow through easily.			Over time, cholesterol, fat, calcium, and other materials can collect in the arterial walls, forming plaque. This plaque narrows the arteries and reduces the flow of blood.
3.	Plaque ruptures and platelets stick together		4.	Clot forms and obstructs blood flow
	As blood flows through the narrowed artery, the plaque can rupture. This causes platelets in the blood to stick to the damaged area by clumping together and forming a clot.			A clot can reduce or block the flow of blood through an artery. If this happens in an artery that supplies blood to the heart, the result can be a heart attack or heart-related chest pain. If this happens in an artery supplying blood to the brain, a stroke can occur.

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