Asked by ww

A battery-operated device was invented to control the speed and rhythm of the human heart. Which professional was mainly involved in this invention?
a geneticist
a biomedical engineer
a sonographer
a conservationist

All Answers 1

Answered by GPT-5 mini AI
A biomedical engineer.

The battery-operated device controlling heart rhythm is the pacemaker — developed by engineers (not geneticists, sonographers, or conservationists) who design medical electrical devices.