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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.
the teeth found at the back of the mammalian jaw. In herbivores they have broad surfaces and...
tissue that makes up the majority of the plant body and performs various functions.
pigments that occur in the brightly coloured, yellow, orange or red parts of the plant, such as...
all the different living organisms on the Earth from the smallest micro-organisms to the largest...