Assertion: pacemaker | /r/HasProperty | small device
Facets:
Source sentences:
text: A pacemaker is a small device that sends electrical impulses to the heart muscle to maintain a suitable heart rate and rhythm.
text: A pacemaker is a small device that sends electrical impulses to the heart muscle to maintain a suitable heart rate and rhythm.
text: A pacemaker is a small device that is used to regulate your heart rhythm.
text: A pacemaker is a small device that is run by a battery.
text: A pacemaker is a small device about the size of a matchbox or smaller that weighs 20 to 50g.