Answer the following question given this paragraph: 

Atherosclerosis is a condition in which a material called plaque builds up inside arteries. Plaque consists of cell debris, cholesterol, and other substances. As plaque builds up in an artery, the artery narrows, as shown in Figure below . This reduces blood flow through the artery.


Q: What is a condition in which a material called plaque builds up inside arteries?

 Choices:

- scoliosis

- fibrosis

- arthritis

- atherosclerosis

A:
atherosclerosis
