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stratified squamous epithelium: consists of squamous (flattened) epithelial cells arranged in layers upon a basal membrane; ex: skin; simple epithelium would only be one cell thick


Tissue: four types. A duck's heart is made up of muscle tissue, nervous tissue, and blood, which is a type of connective tissue.


1. A - simple columnar epithelium. 2. B - simple columnar epithelium with cilia. 3. C - stratified squamous epithelium. 4. D - simple squamous epithelium. 5. E - transitional epithelium. 6. F - pseudostratified epithelium. 7. G - cuboidal epithelium. 8. H - choanocytes 9. I - stratified columnar epithelium with cilia.