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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 heart chamber that pumps blood from the heart to the body or lungs.
an organ system that passes nutrients, gases, hormones, blood cells, etc. to and from cells in...
a system of veins which carries blood from the digestive tract to the liver.