The Immune System

What is a pathogen?

• A microorganism that can cause nervousness.

• A microorganism that can cause disease.

• A microorganism that can cause desserts.

What do we call the organism that the pathogen enters?

• Home

• Infection

• Host

• Hose

Do all pathogens enter hosts the same way?

• Yes

• No

What are some of the ways pathogens can be spread?

• Airborne

• Bodily fluids

• Cuts and wounds

• Touch

• Food and water

The body has how many lines of defence against infectious diseases?

• One

• Two

• Three

• Four

• More than four

What are the lines of defence a body has?

• Surface barriers

• The Great Wall of China

• Innate immune system

• Adaptive immune system

• Vaccinations

The innate immune system is ........ to respond.

• Quick

• Slow

The innate immune systems job is to present ............ to the adaptive immune system.

• Antibodies

• Antigens

• Antipathogens

• Antibullies

Based on the antigens, what is made to combat the pathogen?

• Antibodies

• Antigens

• Antibullies

• Antipathogens

What are some examples of the first line of defence (physical barriers)?

• Hairs in our nose

• Saliva and tears

• Fingernails

• Skin

• Acids in the digestive system, vomiting and diarrhoea