Physics · Scientific Instruments
कार्डियोग्राफ क्या मापता है?
- 1हवा की गति
- 2समुद्र की गहराई
- 3वायुमंडलीय दबाव
- 4हृदय की गति✓
सही उत्तर देखें
हृदय की गति
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