Biomedical engineering

Biomedical engineering is the study of medical equipment used in an environment of care or training and how this equipment interfaces with the human body. BE applies electrical, mechanical, optical, chemical, &amp; other engineering princples to understand ,modify ,or control biological systems
"Biomedical engineers" design, test, modify, recommend modification of, and evaluate all medical equipment used to interface or interact with the human body. In addition to these functions, clinical engineers usually supervise the biomedical equipment maintenance function within an environment of care.
The medical devices include man-made hands, arms, and legs to replace lost ones and, also, Dialysis machines which clean the blood of a person with damaged kidneys.