a faster than normal heart rate

rapid respiration

long thick hairs such as the whiskers in cats and dogs, that are highly sensitive to pressure and touch and which provide sensory information about the environment

see deciduous teeth

an agent that is damaging to a developing embryo or fetus

the process where electrons are released from the filament when it is heated

a device for monitoring exposure to X-rays

see Platelets

the air that passes in and out of the lungs in one breath

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

the portion of extracellular fluid formed by active cellular secretions

the path substances take to travel across the cells

alters the mains voltage

one that can shed the organism at any time

excessive accumulation of fluid with a low protein and cell content, not inflammatory in nature, as seen, for example, in cardiac disease

the structure that is responsible for producing X-rays

the metal that is used at the filament and the target in the X-ray tube head