Why is the cell membrane said to be a semipermeable membrane

I think the term semipermeable means to allow some substances through and prevent others from passing. The cell membrane is semipermeable because it prevents harmful toxins from entering and damaging the cell. I tried my best It's been a while since I studied that but I hope it helped!

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.