Respuesta :
Answer:
Epithelial tissue
Explanation:
Functions of epithelial cells include secretion, selective absorption, protection, transcellular transport, and sensing. Epithelial layers contain no blood vessels, so they must receive nourishment via and diffusion of substances from the underlying connective tissue, through the basement membrane.
Epithelial tissue
What is epithelial tissue?
The cells in epithelial tissue are very intently packed collectively and joined with a little area between them. With its tightly packed structure, we'd assume epithelial tissue to serve some kind of barrier and shielding function and this is certainly the case.
No matter there being many exclusive forms of epithelial tissue all epithelial tissue has just 5 characteristics, these are
- cellularity
- polarity
- attachment
- vascularity
- regeneration
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