Answer the following question given this paragraph: 

The image below shows the way in which a blocked coronary artery can cause a heart attack. The loss of oxygen to the heart muscle cause that part of the tissue to die. Maybe one day, stem cell therapy will allow for the replacement of the dead cells with new cardiac muscle cells.


Q: The loss of oxygen to the heart muscle causes that part of the tissue to what?

 Choices:

- beat harder

- thrive

- beat erratically

- die

A:
die
