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+-----------------------+-----------------------+-----------------------+ | **Cells** | **Location** | **Function** | +=======================+=======================+=======================+ | **Simple squamous | Air sacs of lungs | Allows materials to | | ep...

+-----------------------+-----------------------+-----------------------+ | **Cells** | **Location** | **Function** | +=======================+=======================+=======================+ | **Simple squamous | Air sacs of lungs | Allows materials to | | epithelium** | | pass through via | | | Lining of heart | diffusion and | | | | filtration | | | Blood and lymphatic | | | | vessels | Secretes lubricating | | | | substance | +-----------------------+-----------------------+-----------------------+ | **Simple cuboidal | In ducts and | Secrets and absorbs | | epi.** | secretory portions of | | | | small glands and | | | | kidney tubules | | +-----------------------+-----------------------+-----------------------+ | **Simple columnar | Ciliated tissues in | Absorbs, also secrets | | epi.** | bronchi, uterine | mucous and enzymes | | | tubbes, and uterus | | | | | | | | Smooth (nonciliated | | | | tissues) in digestive | | | | tract, bladder | | +-----------------------+-----------------------+-----------------------+ | **Pseudostratified | Ciliated tissue lines | Secretes mucus, | | columnar epi.** | trachea and much of | ciliated tissue moves | | | upper respiratory | mucus | | | tract | | +-----------------------+-----------------------+-----------------------+ | **Stratified squamous | Lines esophagus, | Proteccts against | | epi.** | mouth, vagina | abrasian | +-----------------------+-----------------------+-----------------------+ | **Stratified cuboidal | Sweat glands, | Protective tissue | | epi.** | salivary glands, | | | | mammary glands | | +-----------------------+-----------------------+-----------------------+ | **Stratified columnar | Male urethra and | Secretes and protects | | epi.** | ducts of some glands | | +-----------------------+-----------------------+-----------------------+ | **Transitional epi.** | Lines bladder, | Allows urinary organs | | | urethra, ureters | to expand and stretch | +-----------------------+-----------------------+-----------------------+