What is the frequency range of a normal heartbeat? ats/min 60-90beats/min 30-50beats/min 50-70beats/min

The correct answer is **60-90 beats/min**. Here's why:* **Normal Heart Rate:** A normal resting heart rate for adults falls within the range of 60 to 100 beats per minute (bpm). * **Factors Affecting Heart Rate:** Heart rate can fluctuate based on factors like age, fitness level, medications, and stress. * **Tachycardia and Bradycardia:** A heart rate above 100 bpm is considered tachycardia, while a heart rate below 60 bpm is considered bradycardia.