A device that sends electrical impulses to the heart to correct an irregular
heartbeat is called what?
O A. A pacemaker
O B. An electrical heart valve
O C. A nanotube
O D. A stent
5 (5 оценки)
chyao789 7 months ago
Светило науки - 26 ответа - 0 помощи
A. A pacemaker

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