Question

I am an animal tissue forming protective covering the body anything entering or leaving the body must cross the least one layer of mine​

Answer 1

Answer:

Epithelial tissue cells are tightly packed and form a continuous sheet. They have only a small amount of cementing material between them and almost no intercellular spaces. Obviously, anything entering or leaving the body must cross at least one layer of epithelium

Answer 2

Answer:

the answer is muscles because the tissue joined combined to make a muscle