skin perspiration water perspire exercise workout effort lather gland exertion temperature evaporation rubbing sudor stew travail fret swither toil swelter pore armpit tears brow blood flesh guts forehead calisthenics fever alcohol liquid mammal human straining strain trouble difficulty struggle labour labor pass agitation condensation condensate h2o secretion friction supererogation excrete overkill eliminate diligence application pull exercising dog pharynx primates bacteria salt thermoregulation breathlessness detrition overexertion menopause dripping excercise cholinergic soaked sweaty norepinephrine gas jog adrenergic socks tiredness acetylcholine hair hyperthyroidism stains soaking sweating deodorant towel drenched pants pillow wet shower palpitation boots bare dyspnea gloves caked towels rubbed breath fingers