Immune System

What is the job of your immune system?

• To protect you from disease

• To send chemical message called hormones

• To control the body with electrical impulses

• To break down food

Something that causes disease is called a

• Tissue

• Pathogen

• Vaccine

• Illness

A disease that is caused by a pathogen and can be passed to people is

• Noninfectious

• Not contagious

• Infectious

• Inherited

A disease that can not be passed and is not caused by a pathogen is

• Viral

• Infectious

• Contagious

• Noninfectious

Which of the following is not a type of pathogen?

• Vaccine

• Virus

• Parasite

• Fungi

A pathogen that depends on living things to reproduce is a

• Bacteria

• Virus

• Fungi

• Parasite

An organism that lives on and feeds on another organism is a

• Bacteria

• Fungi

• Parasite

• Virus

Diseases can be transmitted by all of the following except

• Contaminated food

• A sick person

• Contaminated objects

• Clean water

Your external defenses include

• Skin and Mucus

• White Blood Cells

• Fever

• Inflammation

Internal defenses include all of the following except

• Inflammation

• Skin

• Fever

• White Blood Cells