* It varies greatly: The number of cells changes throughout a person's life, from birth to adulthood. It also varies based on factors like height, weight, and health conditions.
* It's constantly changing: Cells are constantly being created, dying, and replaced.
* It's difficult to count: The human body is complex, and it's nearly impossible to count every single cell.
However, scientists estimate that the average adult human has around 37.2 trillion cells.
This is a rough estimate, and it's important to remember that the actual number can vary significantly.
