The Immune System

Which type of white blood cell comes along and 'eats' the pathogens?

• Killer T Cells

• Memory B Cells

• T Helper Cells

• Macrophages

What type of white blood cell produces antibodies?

• B Cells

• Killer T Cells

• Macropahges

• Antigens

True or false: Antibodies are found on the surface of pathogens

• True

• False

Answer explanation

Antigens are found on the surface of pathogens. Antibodies at the things produced by B cells that attach to the anitgens

What type of white blood cell allows us to have immunity for the furture, after we have been infected by a certain pathogen

• Macrophage

• Killer T Cell

• Memory B Cells

• T Helper Cells

Which of the following is an example of the first line of defense?

• Skin

• Mucus

• Macrophages

• Tears

True or false: The second line of defense is like a barrier to invading pathogens, stopping them from entering our body

• True

• False

What type of white blood cell has the role of noticing when a pathogen enters the body, and signalling other blood cells to begin their 'attack'

• B Cells

• T Helper Cells

• Killer T Cells

• Macrophages

What type of white blood cell has the role of killing off & getting rid of cells that are infected with pathogens?

• T Helper Cells

• Macrophages

• B Cells

• Killer T Cells

True or false: The second line of defense is like an army who fight off pathogens when they enter our body

• True

• False

Which of the following are aspects of the second line of denfense?

• Antibodies

• Killer T Cells

• Macrophages

• B Cells