the volume of air that passes in and out of the lungs in one breath during normal respiration

a device that controls the length of exposure

a group of similar cells that all perform a particular function

see Internal respiration

to give small incremental doses of a drug to effect

inflammation of the tonsils

treatment applied to the skin or mucous membranes to act on these sites

the volume of air breathed in with maximum inspiration or breathed out with maximum expiration; it is the vital capacity plus the residual volume

the presence of toxins in the blood

the conversion of one amino acid into another by the liver