Anna's autopsy revealed that she had an internal pacemaker. research the function of a pacemaker as well as why a person would have one implanted.

Pacemakers are used to treat problems with the rate or rhythm of the heartbeat also known as arrhythmias. This is a small device uses electrical pulses to prompt the heart to beat at the normal rate. It is placed in the abdomen or chest to help control abnormal heart rhythms. Having a peace maker have the variety of reason but mostly it due to a group of conditions called arrhythmias, where the heart rhythm is abnormal. Also sometimes it is cause by a genetic condition making it beat so slowly.

if you have to make a general question and respond to your thoughts, then this isn't really a question someone can you on. read the passage, form your question, and answer using your thoughts. no one else can understand how you interpreted this text if you don't tell us.