Other epithelial cells line the insides of the lungs, the gastrointestinal tract, the reproductive and urinary tracts, and make up the exocrine and endocrine glands. Functions of epithelial cells include secretion, absorption, protection, transcellular transport, sensation detection, and selective permeability.Endothelium (the inner lining of blood vessels) is a specialized form of epithelium.ther epithelial cells line the insides of the lungs, the gastrointestinal tract, the reproductive and urinary tracts, and make up the exocrine and endocrine glands. Functions of epithelial cells include secretion, absorption, protection, transcellular transport, sensation detection, and selective permeability.
 Don't Let Me Be Lonely Tonight  is a song written and performed by American singer-songwriter James Taylor, from his 1972 album One Man Dog. It was released as the lead single from the album, and peaked at #14 on the Billboard charts on January 13, 1973.Don't Let Me Be Lonely Tonight  is a song written and performed by American singer-songwriter James Taylor, from his 1972 album One Man Dog. It was released as the lead single from the album, and peaked at #14 on the Billboard charts on January 13, 1973.
Please Don't Leave Me is a song from American pop rock singer Pink and the third single taken from her fifth studio album Funhouse. It was released on January 31, 2009. The song received strong airplay in Australia and New Zealand, as well as being added to the BBC Radio 1 A-List playlist in the UK.