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small fluid-filled sacs that store, transport, or digest cellular products and waste.
semi-liquid mass of partially digested food and gastric juices, produced in the stomach.
outgrowths that transmit nerve impulses away from the cell body of a neuron.
variation due to the small differences in the genes that control each feature and characteristic...
the U-shaped part of the nephron tubule situated between the proximal and distal convoluted...