depends on the adults size of hand
the size of their fist!
The average size of the human heart is as big as your fist.
the size of a human fist
about the size of a fist
The human heart is a pear-shaped structure about the size of a fist.
Your heart size can be measured by looking at your very own fist. For most people it is about the size of your fist.
The size of a human heart will be equivalent to the size of his/her fist.
The size of your stomache is the size of your own fist.
Because they are just about the same size - and you can see your own fist.
The human heart.
The human heart is about the size of your fist.
The size of every human's heart is equal to a FIST.....