Pacemaker /
A successful means for correcting a damaged heart is the artificial pacemaker. The heart muscle is kept beating 70 times a minute throughout its life because it has its own built-in mechanism which generates a brief, low-intensity electrical impulse to cause the rythmical contractions of the heart m...
| Հիմնական հեղինակ: | |
|---|---|
| Ձևաչափ: | |
| Հրապարակվել է: |
Kuala Lumpur : UTM,
1993
|
| Խորագրեր: |