Question

what do we call the space in the middle?
intermedial space
internal cavity
intermembrane space
intermediate gap
0 / 1 pts

Explanation:

In various scientific - contexts, "internal cavity" is a common term for the space in the middle of a structure. "Intermembrance space" is related to spaces between membranes, "intermedial space" and "intermediate gap" are not standard widely - used terms for a general middle space.

Answer:

B. internal cavity