3. ____________ are hollow cylinders of protein between cells that allow selected small molecules to pass…

3. ____________ are hollow cylinders of protein between cells that allow selected small molecules to pass between adjacent cells. where do you find these in the body? ____________
Answer
Brief Explanations:
Gap junctions are the described hollow cylinders of protein. They are found in many tissues including cardiac muscle to synchronize contractions and in epithelial tissues for inter - cellular communication.
Answer:
Gap junctions; Cardiac muscle, epithelial tissues (and many others)