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kolokwium z angielskiego. Tekst fachowy
bone marrow, solid wastes, blood vessels, rectum, the hematopoetic system, several, parathyroid glands, platelets, nutrients, small intestine, blood stream, to insulate, connective tissues, the lymphatic system, the organs of special senses, anus, urine, to digest, pancreas, adrenal glands, salivary glands, the digestive system , foodpads, epithelia, heart, spinal core, bronchioles, building blocks, urethra, glands, fight off, bronchi