EVERYDAY SCIENCE

SCIENCE

CIRCULATORY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is considered a normal heart rate?
A
60-110 beats per minute
B
50-100 beats per minute
C
20-80 beats per minute
D
60-100 beats per minute
Explanation: 

Detailed explanation-1: -A normal resting heart rate for adults ranges from 60 to 100 beats per minute. Generally, a lower heart rate at rest implies more efficient heart function and better cardiovascular fitness. For example, a well-trained athlete might have a normal resting heart rate closer to 40 beats per minute.

Detailed explanation-2: -What’s a normal heart rate? Most adults have a resting heart rate between 60 and 100bpm. The fitter you are, the lower your resting heart rate is likely to be. For example, athletes may have a resting heart rate of 40 to 60bpm, or lower.

Detailed explanation-3: -Causes of supraventricular tachycardia (SVT) SVT happens when the electrical system that controls your heart rhythm is not working properly. This causes your heart to suddenly beat much faster. It can then slow down abruptly. A normal resting heart rate is 60 to 100 beats per minute (bpm).

Detailed explanation-4: -The normal heart rate range for adults is between 60 and 100 beats per minute. Sinus rhythm is when your heart is beating regularly and normally. Sinus bradycardia means that your heart is beating regularly, but slower than normal. Sinus bradycardia is usually a benign arrhythmia (especially in very active people).

Detailed explanation-5: -The normal range is between 50 and 100 beats per minute. If your resting heart rate is above 100, it’s called tachycardia; below 60, and it’s called bradycardia. Increasingly, experts pin an ideal resting heart rate at between 50 to 70 beats per minute.

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