Which of these body systems has cells that attach to each other to form a leak-proof barrier?

Epithelial cells are tightly packed, and this lets them act as barriers to the movement of fluids and potentially harmful microbes. Often, the cells are joined by specialized junctions that hold them tightly together to reduce leaks.

answer: i say it foxes

explanation:

you need to give us the answer options to for me to offical decide.