Simple squamous epithelial cells line the blood capillaries, alveoli and the Bowman's capsule.
Simple columnar epithelial cells are found in the lining of small intestine (with microvilli), sweat and tear glands (secretions).
Ciliated columnar cells are found the in nostrils, trachaea, and the fallopian tubes.
Ciliated cuboidal epithelial cells are found in the salivary glands, partoid glands and urethra in males.