But how much do you really know about your heart and ... As a kid, your resting pulse might range from 90 to 120 beats per minute. As an adult, your pulse rate slows to an average of 72 beats ...

Locations include wrist, neck and upper arm. The pulse rate is expressed in beats per minute. To measure your pulse rate, count the number of beats in a set period of time, eg 30 seconds ...

You may have heard that a faster fetal heart rate indicates a girl, while a slower one might mean you're having a boy — but is there any truth to this theory?