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the cylinder of parenchyma found from the centre of the stem to the inside of the vascular bundles.
blood vessels that transport deoxygenated blood from the heart to the lungs.
processes used to create copies of DNA fragments (usually genes), cells or organisms to create...
a space or gap between two teeth. Many species of mammals have diastemata as a normal feature,...
the windpipe or tube that carries air. It is kept open by C-shaped rings of cartilage.