Related by context. Frequent words. (Click for all words.) 59 oxygen saturation 58 oxygenation 56 metabolic 56 physiological 55 oxygen 55 autonomic nervous system 53 metabolism 52 physiologic 51 physiological responses 51 breathing 51 muscle contractions 50 photosynthesis 50 transpiration 50 skeletal muscles 49 clot formation 49 circulatory 49 exhalation 49 digestion 49 lungs 49 glucose 49 metabolic processes 49 tachycardia 48 secretion 48 ventricular tachycardia 48 circulatory system 48 electrocardiogram 48 ventricular fibrillation 48 secretions 48 heartbeats 47 pH 47 neuronal activity 47 cardiopulmonary 47 exertion 47 electrical impulses 47 oxygenated blood 47 photosynthetic 47 pulmonary function 47 external stimuli 47 lung function 47 heartbeat 46 cardio respiratory 46 physiology 46 electrocardiogram ECG 46 lactate 46 labored breathing 46 myocardial ischemia 46 respiratory 46 intubated 46 perspire 45 temperature humidity 45 intracranial pressure 45 brainstem 45 metabolisms 45 sweat glands 45 bradycardia 45 digestive 45 Nitric oxide 45 stomata 44 pulse 44 absorb nutrients 44 motility 44 oxygen deprivation 44 blood vessels 44 oxygenated 44 alveolar 44 electrophysiological 44 airway 44 insulin secretion 44 pulsations 44 blood coagulation 44 compressions 44 bpm 43 hypoxic 43 thyroid hormone 43 airway inflammation 43 kidney function 43 metabolizing 43 airway obstruction 43 resorption 43 pulsation 43 nitric oxide 43 pulse oximeter 43 noninvasively 43 blood clotting 43 ventricles 43 protein synthesis 43 capillaries 43 platelet aggregation 43 Physiological 43 electrocardiograms 43 evapotranspiration 43 fluid intake 43 myocardial 42 potassium 42 artificial respiration 42 hydration 42 muscle tissue 42 upper airway 42 skeletal muscle 42 lung 42 perfusion