Answer:
Cardiac muscle (also called heart muscle or myocardium) is one of three types of vertebrate muscle tissue, with the other two being skeletal muscle and smooth muscle. It is involuntary, striated muscle that constitutes the main tissue of the wall of the heart.
This is because the heavy metal ions will act on the proteins in the milk rather than the body
Not sure if this is a tad late or not... But I'd be concerned for consistent right sided stomach tenderness or rebound. If it started recently, you could potentially have appendicitis or a burst appendix. You could also have some bowel issues affecting the right side or some sort of gallbladder issues like cholecystitis (however pain can be felt in the right shoulder at the same time).
In other words, I recommend going to the emergency room... Appendicitis is a very serious and potentially dangerous concern.
Debit! Pre-paid debit cards work wonders :)
Also cash and checks. I hope I helped