Whom found fire or invented the wheel could be the first. Spear as well could fit this.
Because they are just about the same size - and you can see your own fist.
The heart is a organ-muscle that is about the same size of your fist.
The Way of the Exploding Fist happened in 1985.
fist
show me something
Guglielmo Marconi
Thomas L. Jennings
No, the inventor (William Addis) was a man who was in prison when he wanted to clean his teeth. The fist tooth-brush was made of human hair and a chicken bone from a a stew. The prison he was in was Alcatraz.
The average size of the human heart is as big as your fist.
Adam was the first human on this planet
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
The size of a human heart will be equivalent to the size of his/her fist.