| Question | Answer |
| Immune | protected from getting a disease.
|
white blood cells | engulf bacteria and produce antibodies
| antigen | antibodies recognise a microorganism using these
| memory cells | stay in the blood & give immunity after infection
| Vaccine | A safe form of a disease
| Side effect | a harmful reaction to a medicine
| antibiotics | type of antimicrobial effective against bacteria, not viruses.
| mutation | can lead to antibiotic resistance in bacteria
| open-label | drug trials where drug labels can be seen
| double-blind | drug trial where drug label are unknown
| placebo | a tablet with no active ingredient
| blood capillary | blood vessel with very thin walls
| lifestyle factors | the food you eat, exercise, stress
| genetic factors | genes which increase the risk of a disease
| epidemiological studies | long term studies of disease & its spread
| homeostasis | maintaining a constant internal environment
| control systems have | receptors, processing centres and effectors
| negative feedback | a response which reverses the stimulus
| Kidneys | balance water levels by producing dilute or concentrated urine
| ADH | anti - diuretic (weeing) - hormone(stops kidney from making urine) |
