Chapter 8 Immune systems and diseases Vocab

A body system that works to keep the organism healthy 

• Bacteria

• Virus

• Immune system

• None of the above

Very small things that often cause infections.

• Bacteria

• Virus

• Infection

• Immune system

Common microscopic organisms 

• Virus

• Bacteria

• Infection

• Immune system

When a virus or microorganism enters the body

• bacteria

• Immune system

• Virus

• Infection

Proteins that help get rid of infections 

• Infection

• Antibodies

• Bacteria

• Immune system

A dangerous immune response to a safe substance. 

• All of the above

• Allergies

• Antibodies

• Infection

a microorganism that causes, or can cause, disease.

• Allergies

• Pathogens

• Antigens

• None of the above

any substance that causes your immune system to produce antibodies against it.

• Pathogens

• Antigens

• Antibodies

• Allergies

Any condition which impairs health, or interferes with the normal functioning of the body

• Antigens

• Pathogens

• Disease

• None of the above

to make (something) dangerous, dirty, or impure by adding something harmful or undesirable to it.

• Pathogens

• Disease

• Contamination

• All of the above