Mild injuries can be helped by over the counter medication as they can give relief from pain and swelling,
B would be the most obvious option.
Answer:
Obesity.
Anatomical considerations, such as the size of the chest and the location of the heart within the chest.
Movement during the test.
Exercise or smoking before the test.
Certain medicines.
Electrolyte imbalances, such as too much or too little potassium, magnesium, or calcium in the blood.
Explanation:
Bad hygiene, puberty, physical activity or just normal teenage bodily changes.
