White blood cells - immunity

Which is the blood cell that engulfs pathogens?

• platelet

• red blood cell

• phagocyte

• lymphocyte

What is a pathogen?

• a disease - causing micro-organism

• a germ

• dirt

• cytoplasm

What do phagocytes do once the have engulfed a pathogen?

• destroy them

• eat them

• use them

• party

which cells produce antibodies?

• phagocytes

• red blood cells

• lymphocytes

• platelets

What is important about the antibodies?

• they attach to a specific pathogen

• they are proteins

• they can float

• they are in the blood

Tags

NGSS.MS-LS3-1

Why are pathogens dangerous?

• they are dirty

• they make you feel funny

• they cause disease which can make people very unwell

• they carry germs

What does mucus do in our airways?

• trap pathogens to stop them infecting our lungs

• make us ill

• stop the lungs expanding

• smell horrible

What happens to mucus in our airways that has trapped pathogens?

• it stays there

• it is dissolved

• it is coughed up and removed

• it moves into our lungs