1.Cilia – found in the lungs, respiratory tract and middle ear. It has a rythmic waving or beating motion. Cilia keeps the airways clear of mucus and dirt, allowing us to breathe easily without irritation. 2. Goblet cells – secrete mucus in order to protect the mucous membrane where they are found, they accomplish by secreting mucins, large…[Read more]

Pseudostratified epithelium is a type of epithelium that appears to be stratified but instead consists of a single layer of irregularly shaped and differently sized columnar cells. The nuclei of neighboring cells appear at different levels rather than clustered in the basal end. They function to excrete mucous to serve as a lubricant. Ciliated…[Read more]

Stratified squamous keratinized epithelium- found mainly in the epidermis of skin, where it prevents dehydration from the tissue. Its cells form many layers, with the less differentiated cuboidal cells near the basement membrane.