Final answer:
Heart disease is the leading cause of death in the US. Approximately 500,000 American adults die from a heart attack each year, which corresponds with option C of the choices provided.
Step-by-step explanation:
Heart disease is the leading cause of death in the United States, significantly impacted by factors such as sedentary lifestyles and high trans-fat diets. Coronary heart disease is a form of heart disease where atherosclerosis, the buildup of fatty deposits, can obstruct blood flow, possibly leading to a heart attack. The Centers for Disease Control and Prevention (CDC) reported that in 2006, heart disease was responsible for 631,636 deaths in the US, which equates to about 26% of all reported deaths that year.
To answer the student's question, approximately 500,000 adults in the US die from a heart attack each year. This figure corresponds to option C given in the question. Keeping our hearts healthy is paramount, and avoiding risk factors such as poor diet and physical inactivity is essential.