Answer:
Epithelial layers contain no blood vessels so they must receive nourishment via diffusion of substances from the underlying connective tissue, through the basement membrane.
Explanation:
Underlying tissue ,epithetical tissue has nerve supply of its own.This tissue is avascular
Answer:can you give me the and good
He's 22 years old.
He looks like a girl. o-o
Like a really messed up girl.
