| Term | Definition |
| pericardium | a sac surrounding the heart |
| artery | vessels that carry blood away from the heart |
| vein | vessels that carry blood back to the heart |
| plasma | straw like fluid that transports nutrients, hormones, and waste products |
| erythrocytes | red blood cells |
| carotid | major artery that supplies blood to the face |
| epiglottis | a lid to prevent food from entering the lungs |
| trachea | extends from the neck to the chest - divides into 2 bronchi |
| larynx | voice box |
| pulse | rythmic expansion of an artery as the heart beats |
| systolic pressure | first sound heard when taking blood pressure |
| stethoscope | Instrument used for listening to the heart sounds |
| pharmacology | the study of drugs |
| antibiotics | general term for a drug that destroys bacteria and other microorganisms |
| penicillin | antibiotic used to inhibit growth or destroy bacteria |
| tetracycline | stains developing teeth |
| hypnotic | a drug that produces sleep |
| sublingual | under the tongue |
| inhalation | breathing gaseous substance |
| coagulant | an agent that promotes the clotting of blood |
| narcotic | a drug that produces a stupor or complete insensibility |
| angina pectoris | pain in the chest due to constriction of arteries |
| epilepsy | seizures |
| hyperglycemia | abnormal increased level of sugar in the blood |
| anaphylactic shock | a severe allergic reaction |
| antihistamine | drug that counter acts an allergic reation |
| syncope | fainting |
| hemorrhage | an abnormal loss of large quantities of blood |
| nausea | feeling of wanting to vomit |
| diastolic pressure | last sound heard when taking blood pressure |