Answer:
c) Atherosclerosis
Explanation:
Atherosclerosis refers to the buildup of plaque (cholesterol, fats and other substances) in and on the walls of the arteries, this results to restricted flow of blood.
It is the most common cause of peripheral arterial problems in the older adults. It is often classed as disease of aging because increase in age is an independent risk factor for the development of atherosclerosis. In other words, as one grows older the risk of atherosclerosis increases. As one ages, lifestyle factors or genetics can cause plaque to build up in the arteries.
The tooth's outer layer consists of the Enamel, Dentin and the Pulp.
<h3>What is a tooth?</h3>
A tooth is a hard resistant structure that is located in the mouth for crushing down before swallowing and digestion.
The tooth's outer layer consists of the Enamel, Dentin and the Pulp. The Enamel is the toughest of them all and located at the top layer of the teeth while the dentin is beneath the enamel layer of the teeth with the pulp in the middle.
Learn more on tooth layer here: brainly.com/question/10929330
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