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the liquid found in the pleural cavity that acts as a lubricant.
thin layer of living tissue between the xylem and the phloem, which is able to divide to make...
a disease caused when the body's immune system destroys other body cells.
the blood vessel that carries blood from the liver to the inferior vena cava.
when humans construct or alter the genome of an organism.
large spongy organs in which gaseous exchange takes place in vertebrates (with the exception of...