Are individual cells organisms in their own right?

[Joza]

1 organism, or millions??

I was just thinking, considering I am made up of millions (billions?) of cells, am I a single organism, or a network, kind of like I suppose a collaboration of millions?

Is each one of my cells an organism in its own right? Are my sperm each their own organism, or are they me??

 

[Moonbear]

Since the cells in your body could not survive without being a part of the whole, that is what makes you a multicellular organism and not a colony of single-celled organisms.