Any deviation from normal functioning of the body; can affect any body part, organ or system; causes damage to healthy normal body cells
Disease
A complex network of cells, tissues and organs acting as the body's natural defense against disease
Immune System
Carrier of a communicable disease
Vector
Are developed spontaneously or are caused by an unhealthy lifestyle or exposure to carcinogens.
Non-Communicable diseases
Avoiding these liquids originating from inside the body of a living person; include saliva, sweat, tears, mucus, vomit, urine, blood and sexual fluids
Bodily Fluids
Diseases that can be passed from a contaminated person, animal, substance or surface to another person
Communicable
Involves barriers which keep harmful material from entering the body; includes skin, enzymes in skin oils, sweat & tears, cough and sneeze reflexes, mucus, ear wax and stomach acid
Innate Immunity
Disease-causing microorganism
Pathogen
Passing of genes from parents to children
Heredity
Injection of a killed or weakened organism which produces immunity in the body against an organism
Vaccination
Non-communicable
Develops with exposure to various antigens and works to protect the body against those specific antigens in the future.
Acquired Immunity
Bacteria, viruses, fungi, protozoa, rickettsia, and parasitic worms are types of
Pathogens
Heart disease, cancers, respiratory diseases, asthma, diabetes, mental disorders are examples of
Non-Communicable diseases
Medical examination performed by a doctor or nurse aimed at preventing health problems
Wellness Exam
Are objective, not influenced by personal feelings
For example, rash, fever, swelling
Signs
Process which causes the development of acquired immunity; involves two types of white blood cells
Immune Response
Air, Physical contact, bodily fluids, and DNA are methods of
Transmission
Disease which is long-term, usually lasts for life, and has signs & symptoms which recur frequently
Chronic Disease
Avoiding these parasitic single-celled organisms which can reproduce in a host prevents communicable disease.
Protozoa
Are subjective, meaning they are based on or influenced by personal feelings.
Symptoms
Are classified as B or T type; a type of WBC which is vital to the immune response
Lymphocytes
Microscopic infective agents which take over a host's functions to reproduce
Viruses
Lifestyle, heredity, age, culture, environment are examples of
Risk factors
Medicines which work by killing bacteria or stopping them from reproducing so the immune system can more easily kill them
Antibiotics