Immune 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

T cells are made in the___________

• bone marrow
• spleen
• thymus
• tonsiles

Anything that triggers an immune response is a/n

• lymph cell
• antigen
• antibody
• neutrop

B cells mature in the

• thymus
• intestine
• bone marrow
• heart

 Like all other body systems, the immune system helps the body maintain homeostasis.  Which statement best describes how the immune system does this?  

• it protects other organs and tissues from infection and disease
• it breaks down food to provide cells with nutrients
• it gathers information through the senses and controls all other body systems
•  it transports oxygen and carbon dioxide

What do B cells produce?

• antigens
• macrophages
• T cells
• antibodies

Where do T cells mature?

• lymph node
• bone marrow
• thymus
• liver

There are more than one type of blood cell.
True Or False

• True
• False

What are Lymphocytes?

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