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related to epithelium, which is the tissue that covers the surfaces of organs, glands, and body cavities
- Epithelial cells line the digestive tract and help absorb nutrients from food.
- The skin is composed of stratified squamous epithelial tissue, which provides protection against pathogens and dehydration.
- Glandular epithelium secretes substances such as hormones, enzymes, and sweat.
- Epithelial tissue in the respiratory tract filters air and facilitates gas exchange in the lungs.
- The lining of blood vessels consists of endothelial cells, a type of epithelial tissue.