Aresting heart rate indicates a strong high level of cardiovascular health

A low resting heart rate indicates a strong high level of cardiovascular health. A normal resting heart rate for adults ranges from 60 to 100 beats per minute.

A lower heart rate at rest implies more efficient heart function and better cardiovascular fitness. However, the heart rate is influenced by several factors like age , fitness and activity levels , being a smoker . having high cholesterol or diabetes , air temperature...

well when looking at this if you think about it   negativley and positivley   react with each other and when the first layer gets full they add layers it starts with 2 on the first layer and it constantly goes on until the official number is there

it hurts at first because " the cherry is broken" which is a thin layer of skin that breaks so the first time girls have sex it hurts and it bleeds but after the first time it does hurt again because the skin that ia torn does not break again/ grow back.