Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
pulse – n. a beating noise; the beat resulting from such a sound
stressed – adj. feeling very worried
clinically – adv. relating to or based on work done with real patients; of or relating to the medical treatment that is given to patients in hospitals or medical centers
anesthesia – n. a loss of sensation; something that produces a loss of sensation
response – n. something that is done or happens as a reaction to something else
symptom – n. a change in the body or mind which indicates that a disease is present
