Coronary heart disease can lead to a. heart malformation b. heart attack c. heart tumor d. viral infection

I think the answer is B.

With some quick researching.

Hope this helps

C. heart tumor. Coronary heart diseases' syptoms may vary. The usual cause is the buildup of plaque. This causes coronary arteries to narrow, limiting blood flow to the heart.

c, the cilia in the trachea squeeze the material out of the body as mucus

explanation:

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