The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs.
Answer:
The most likely etiology is that the boy has a Coxsackie virus.
Explanation:
The symptoms of a Coxsackie virus infection are painful blisters on the throat, hard palate, tongue, and inside the mouth that makes the kid refuse to drink or eat. Also, the blisters on the arms, hands, soles of the feet, and legs. The infection symptoms start abruptly, like in this case, from one day to the other.
The answer should be “Tobacco”
