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an infectious disease caused by the bacterium Mycobacterium tuberculosis thatusually infects the lungs.
the internal supporting framework made of cartilage and/or bone. This type of skeleton occurs in...
compounds such as lipids, carbohydrates, proteins, nucleic acids, vitamins, petrochemicals and...
the space in the middle of the tooth which contains cells, blood vessels and a nerve.
the inner body tissue layer that forms the gut and other internal organs.
plants that live in areas with a moderate water supply where it is neither wet nor dry.