Biology · Human Body
डॉक्टर हमारी धड़कन को किस यंत्र की सहायता से महसूस करते हैं?
- 1सूक्ष्मदर्शी (microscope)
- 2रिफ्लेक्स हैमर (reflex hammer)
- 3रेडियोग्राफी (radiography)
- 4स्टेथोस्कोप (stethoscope)✓
सही उत्तर देखें
स्टेथोस्कोप (stethoscope)
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