Lines of Defense
The outermost barrier made up of three main layers.
What is skin?
Cells responsible for attacking bacteria.
What are White Blood Cells?
A line of defence you are not born with.
What is the Third Line of Defence?
Single celled organisms that can be harmful or helpful.
What is Bacteria?
Itchy red bumps and spots caused by allergic reactions.
What are Hives?
The most common organ where immune cells are found.
What is the Stomach?
A first line of defence with a hair-like structure commonly found in the lungs.
What is Cilia?
Two types of white blood cells.
What are B cells (memory cells) and T cells?
The scientific term for white blood cells.
What are Leukocytes?
A main cause of malaria.
What is Protozoa?
Chemicals released during an allergic reaction.
What are Histamines?