tens of trillions of cells Greg Laden How many cells are there in the human body? tens of trillions of cells tens of trillions of cells tens of trillions of cells Greg Laden How many cells are there in the human body? How many cells are there in the human body? Greg Laden 46-68 trillion tens of trillions of cells How many cells are there in the human body? 46-68 trillion How many cells are there in the human body? 50 trillion cells 60 to 80 trillion tens of trillions of cells tens of trillions of cells tens of trillions of cells How many cells are there in the human body? How many cells are there in the human body? 46-68 trillion How many cells are there in the human body?