Adam was the first human on this planet
Modern humans first appeared around 200,000 years ago.
The average size of the human heart is as big as your fist.
The human heart.
It's similar to a human making a fist and then unfolding the fist.
The human heart is a pear-shaped structure about the size of a fist.
it is the size of your fist.
the size of a human fist
about the size of a fist
Adam and eve
The size of a human heart will be equivalent to the size of his/her 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 every human's heart is equal to a FIST.....