Related by context. Frequent words. (Click for all words.) 57 dilated 52 constrict 44 dehydrate 43 thicken 43 inhale 42 blood vessels 42 facial muscles 41 nasal passages 41 airway 41 perspire 40 capillaries 40 moisten 40 pores 39 oxygenation 39 cornea 39 sinuses 39 stimulates 39 left ventricle 39 lungs 38 mucus 38 ventricles 38 oxidize 38 reddened 38 mucous 38 erections 38 carotid arteries 38 enlarges 38 vagina 38 nostrils 38 eyelids 37 exhale 37 respiration 37 arteries 37 constricted 37 mucous membranes 37 gums 37 atria 37 nasal congestion 37 airways 36 muscles 36 secretions 36 urethra 36 modulate 36 metabolize 36 rehydrate 36 exhalation 36 hydrate 36 clench 36 constriction 36 esophagus 36 diaphragm 35 darken 35 thickening 35 heartbeats 35 stimulate 35 deep breaths 35 Inhale 35 ejaculate 35 inhaled 35 uterus 35 cannula 35 gag reflex 35 nasal cavity 35 milky 35 sexual arousal 35 compress 35 urinate 34 itchiness 34 thickens 34 stimulated 34 artery walls 34 bowel 34 circulatory system 34 coronary arteries 34 upper airway 34 absorption 34 GI tract 34 intubation 34 pulmonary artery 34 eardrum 34 bloodstream 34 sweat glands 34 arousal 34 ventricle 33 aerate 33 secrete 33 elongate 33 deform 33 cheeks 33 hyperventilate 33 adrenal glands 33 bladder 33 nostril 33 breaths 33 absorb 33 clot 33 hair follicles 33 lung function 33 swelling 33 tensed 33 thickened