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Communicable Disease

Communicable Disease A disease that can be passed to a

person from another person, animal, or object.

Pathogens Disease-causing organisms that are so

small they can only be seen through a microscope.

Types of Pathogens Bacteria- tiny one-celled organisms Viruses- smallest pathogens Fungi- more complex bacteria, but

cannot make their own food Protozoa- one-celled organisms that

can make their own food

Examples of Pathogens Bacteria- Pink Eye, Strep throat, Lyme

Disease Viruses- Colds, Chicken Pox, Fever,

Polio, Rabies Fungi- Athletes Foot, Ringworm Protozoa- Malaria

Vector An organism, such as an insect, that

transmits pathogens.

Why do you think it is important for teens to practice good personal hygiene?

Crossword # 1Wordbank (Preventing the Spread of Disease)Communicable-Diseasediseasefungipathogenshygienevirusesvectorprotozoainfectionbacteria

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Immune System A combo of body defenses made up of

cells, tissues, and organs that fight off pathogens and disease.

5 Major Barriers Tears- keeps dust away from your eyes Saliva- keeps germs off your teeth Skin- keeps pathogens away from your

blood Mucous Membranes- sticky material

called mucous that traps pathogens Stomach Acid- kills any pathogen

that get paste saliva

Lymphatic System A secondary circulatory system that

helps the body fight pathogens and maintains its fluid balance.

Vaccine A preparation of dead or weakened

pathogens that causes the immune system to produce antibodies.

How do vaccines help protect the health of the community?

Wash Your HandsCrossword #2Wordbank: (The Body Defenses Against Infection)ImmunityLymphocytesVaccineAntigenLymphatic-systemAntibodiesInflammationImmune-system

Contagious Period

-the length of time that a particular disease can be spread from person to person

Tuberculosis A Bacterial disease that usually affects

the lungs.

Pneumonia A serious inflammation of the lungs.

Strep Throat A sore throat caused by streptococcal

bacteria.

Why are hospital patients often at risk for developing pneumonia?

Natural Ways to Protect the Body

Crossword # 3Wordbank: (Common Communicable Diseases)MononucleosisStrep-throatPneumoniaContagious-periodHepatitisTuberculosis

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