Question

Cell-to-cell junctions which allow for instantaneous communication can be found in which kind of cells?

Answer 1

There are many different kinds of cell-to-cell junction (gap junctions, desmosomes, etc.) and the answer depends on which kind you mean...

Answer 2

a- red blood cells
b- bone cells
c- cartilage
d-heart muscle cells

Answer 3

OK. That doesn't answer my question for you (which kind of cell-to-cell junction), but it does make the answer a little clearer.

Of the four kinds of cells you listed, which are actually in contact with each other?

Answer 4

d-heart muscle cells

It communicate via gap juction. Communication is essential in heart contraction