<Ul> <Li> The cells of the body's surface form the outer layer of skin . </Li> <Li> Inside the body, epithelial cells form the lining of the mouth and alimentary canal and protect these organs . </Li> <Li> Epithelial tissues help in absorption of water and nutrients . </Li> <Li> Epithelial tissues help in elimination of waste . </Li> <Li> Epithelial tissues secrete enzymes and / or hormones in the form of glands . </Li> </Ul> <Li> The cells of the body's surface form the outer layer of skin . </Li> <Li> Inside the body, epithelial cells form the lining of the mouth and alimentary canal and protect these organs . </Li> <Li> Epithelial tissues help in absorption of water and nutrients . </Li>

Who discovered and gave us the word tissues