Infectious Diseases

A condition that exists when a pathogen enters the body.

• Pathogen
• Infection
• Disease
• Virus

A disease-causing microorganism such as certain bacteria or viruses.

• Epidemic
• Allergy
• Pathogen
• Autumn

The breakdown of part of the body or the failure of the body to work properly.

• Disease
• Allergy
• Pathogen
• Inspection

Wet, sticky membranes in the mouth and nose that trap pathogens.

• Tongue
• Germ
• Cell wall
• Mucous membranes

The body's system that fights pathogens.

• Cardiovascular system
• Immune system
• Digestive system
• Neurological system

The blood cells that fight pathogens.

• White blood cells
• Red blood cells
• Plasma
• Hemoglobin

A protein made by white blood cells to fight a specific pathogen.

• Antibody
• Antivirus
• Allegra
• Allotment

A disorder that prevents the body's immune systems from defending itself against pathogens.

• Diabetes
• Influenza
• AIDS
• Alzheimer's

The virus that causes AIDS.

• HIV
• HD
• HTML
• HTTP

Pasteur's theory that microorganisms cause infectious disease.

• Virus theory
• Bacteria theory
• Germ theory
• Chaos theory