Advertisements
Advertisements
प्रश्न
Multiple choice question. Tick (✓) the correct choice:
The heartbeat is measured by an instrument called
- thermometer
- sphygmomanometer
- stethoscope
- none of the above
उत्तर
3. stethoscope
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
