human experiment; human experimentation; experiment on a living person
to have one's breath taken away; to gasp (in surprise, wonder, etc.); to have one's breath catch in one's throat; to gulp
capillary; capillary vessel
becoming turbid; becoming muddy; becoming muddled (of thoughts, senses, etc.); growing dim (of consciousness); disorder; chaos
outbreak of an illness; onset of a condition; appearance of symptoms
inside and outside; interior and exterior; inside and outside the country; home and abroad; around; about
defense; defence; defensive preparations
change of color; change of colour; fading; discoloration; discolouration
bone marrow; medulla; heart's core; depths of one's heart; main point; vital part
white blood cell; leukocyte; leucocyte
coagulation; freezing; solidification
endlessly; ceaselessly; nonstop; incessantly
to bring to a finish; to bind firmly; to superintend
multifunction; multipurpose
partial; incomplete; imperfect
to stop; to halt; to have (someone) stay; to put up (a guest); to fasten; to pin
mucus; mucilage; viscous liquid; phlegm
administration (of medicine); giving medication
immunity; immunization; immunisation; being hardened (to); being unaffected (by); being accustomed (to)
stimulation (e.g. of an economy); revitalization (e.g. of a town); rejuvenation; activation
experiments using animals; in-vivo testing; animal testing
(method of) treatment; therapy; remedy; cure
death rate; mortality rate
shelter; cover; screen; shield; obstruction; defilade
existence; being; life; survival
(not) a single person; (no) one
(theatrical) blackout; taking a (sudden) turn for the worse; rapid deterioration
end (of life); death; demise; (peacefully) spending one's final years
prophet; predictor; prognosticator
to hesitate to say; to hem and haw; to falter in one's speech; to be stuck for a word; to mumble