I think all of the above, i hope that helps! :))
The possible condition that she may be experiencing would be:
Angina Pectoris
<span>This is a medical term for chest pain or the coronary heart disease, it happens when there is not enough blood received in the heart muscle. The symptoms that you would typically experience with Angina would be the pain at the center of the chest or uncomfortable pressure. </span>
The root word which means "red" is a. erythr/o.
Just think about biology - you should know that red blood cells are called erythrocytes, where you can obviously see that root word.
Leuk/o refers to white color, and the other two options do not refer to colors at all.
Mucus and saliva contain an enzyme that breaks down the cell wall of many bacteria.
From your mind if it not the answer plz tell me the right answer