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mechanical process whereby air enters and leaves the lungs.
gaps (about 1 micrometre long) that occur between the myelin sheaths generated by consecutive...
three pairs of exocrine glands which secrete saliva into the mouth.
all types of waste that pose a significant threat to people and the environment.
when humans construct or alter the genome of an organism.
is one-millionth of a metre or one-thousandth of a millimetre (0,001 mm). Its unit symbol in the...