The size of the human heart in any person is approximately the size of that persons fist. So if you are looking at your own fist that is about the size of your heart. Same size perspective can be used on a new born baby by looking at their hand and seeing what size their fist is. Since all humans are different sizes this is the easiest way to tell what approximate size that persons heart is regardless of age.
The part of human which does not increase in size is the "HEART"
percentage wise an infants heart is larger at birth than that of an adult.
January Jones
The heart's owner hands. If s/he clanchs her/his hand, the size of the fist is in the same size as the heart's size.
The human heart is about the size of your fist.
The heart is about the size of the person's fist.
Busty Heart's birth name is Susan Sykes.
Sasha Heart's birth name is Jillian Quist.
Lacie Heart's birth name is Brittany Rosenthal.
Tera Heart's birth name is Lynn Bates.
Zeina Heart's birth name is Rihab Garci.
Amara Heart's birth name is Rebecca Guerrero.