A chemical found in the body that helps make sure cells work the right way.
Spermine is a very scientific word and is not used in everyday talk.
Examples:
Spermine is important for the body.
The doctor said I have a lot of spermine in me.
The spermine helps the cells do their job.
I think spermine is like a little helper for the cells.
Without spermine, the cells might not work right.
Spermine is like a tiny worker inside the body.