- Life Sciences
an infection of the skin, caused by a parasitic fungus. It causes cracked, inflamed and itchy skin under the feet and between the toes.
elongated cells in the xylem of vascular plants that transport water and mineral salts.
a black substance that coats the lungs of a smoker, causing cancer of the respiratory tract.
dormant, tough and non-reproductive structure that remains dormant until conditions become...
kidney failure which develops over a long period of time.