What’s the difference between contamination & an infection?

What are the MAJOR pathways / portals of entry?

• Skin

• Eyes

• Mucous membrane

• Placenta

• Mouth

What is the skin & what does it protect you from?

How can pathogens enter through the skin?

• Through a cut or openings

• Breathing in contaminated air

• Getting sick

• Pathogens can digest outer layers of skin

Where would the mucous membrane be found?

• Skin

• Nose

• Lungs

• Stomach

What does the mucous membrane do?

Define protozoan

What is adhesion?

Why are memory T cells called memory T cells?

Define the job of a ligand in ONE word.