Immune System

Anything that triggers an immune response is a/n

• lymph cell
• antigen
• antibody
• neutrop

B cells mature in the

• thymus
• intestine
• bone marrow
• heart

What do B cells produce?

• antigens
• macrophages
• T cells
• antibodies

Where do T cells mature?

• lymph node
• bone marrow
• thymus
• liver

What are Lymphocytes?

• A type of red blood cell
• A nucleus 
• A type of white blood cell
• Bone Marrow

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Which of the following are considered internal defenses?

• Mucus

• Inflammation

• Tears

• Sweat

What happens after the second time you are exposed to a pathogen?

• The body will not be able to fight off the pathogen quickly, because it knows how to get into the body easier.

• The body's immune system will react the same was as it did during the first exposure.

• The body can only be exposed to a pathogen a second time if you do not have a vaccine.

• The body will know how to fight off the pathogen quickly, because memory cells have been created after the first encounter.

How do T cells differ from B cells?

• T cells fight pathogens by killing pathogens directly, while B cells fight pathogens by making antibodies.

• T cells only make memory cells, and B cells only make antigens

• T cells fight pathogens by making antibodies, while B cells fight pathogens by killing pathogens directly.

• T cells can only fight off pathogens the body has encountered once, and B cells can fight off any pathogen the body comes across.

Which of the following statements is TRUE about someone's immune system that has allergies?

• Body cells are dividing at an uncontrolled rate.

• The body is reacting to foreign antigens that are not dangerous to most people.

• T cells and B cells in the body cannot be activated.

• The body is mistaking its own cells for foreign antigens.

What is it called when capillaries widen in the infected area, making it red and swolen?

• edema

• Antigen

• Phagocytosis

• Inflammation