Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Plasmodesmata connect to cytoplasms in the plant cell.
What do plasmodesmata connect to in the plant cell?

When the smooth muscle relaxes, the arterioles dilate, allowing blood to enter the capillaries.
When the smooth muscle relaxes, the arterioles dilate, allowing blood to enter the what?

Single-celled organisms and multicellular organisms have this in common: both have a way to get rid of waste materials.
Which characteristic do single-celled organisms and multicellular organisms have in common?