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mostly columnar epithelium with cilia that line the nasal cavity, trachea, bronchi, fallopian tubes, vas deferens and central canal of the spine.
a thick layer inside the primary cell wall. It consists mainly of cellulose, hemicellulose and...
all types of waste that pose a significant threat to people and the environment.
the Latin name of an organism, consisting of the genus and the species names.
a hormone that causes the secretion of gastric juices into the stomach.