I WONDER - How Many Cells Are In My Body?

The video discusses the number of cells in the human body, highlighting that the human brain alone contains over 80 million cells. It also notes that bacterial cells outnumber human cells in the body. The lifespan of cells varies based on their type and function, ranging from a few days to a lifetime. Pancreatic cells can live up to a year, muscle cells up to 40 years, and brain cells last a lifetime.

What factors determine the lifespan of different types of cells?

How long do brain cells live in relation to the lifespan of a person?