Immune/Lympatic System

Cells that ingest pathogens are

• plasma cells
• phagocytic cells
• helper T cells
• antibodies

The ______________ system returns interstitial fluid to the blood stream.

• ureters
• spleen
• thymus
• lymphatic

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 scientists call bacteria and viruses that can make people sick?  

• diseases
• vaccines
• antibodies
• pathogens

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

Once a b-cell is activated, it enlarges and divides to produce

• t-cells

• memory b-cells

• plasma cells

• helper t-cells

Which cell eliminates infected cells?

• helper t-cells

• suppressor t-cells

• lymphocytes

• killer t-cells