Blood, Lymph and Immune System

Cells that ingest pathogens are

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

Anything that triggers an immune response is a/n

• lymph cell
• antigen
• antibody
• neutrop

What do scientists call bacteria and viruses that can make people sick?  

• diseases
• vaccines
• antibodies
• pathogens

What are Lymphocytes?

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

What is the Immune system?

•  The body's defense system
• A system that gives support and structure 
• A system that helps you breathe
• None of the above

The tiny oval shaped lymph structure located throughout the body are known as?

• Lymph nodes
• Spleen
• Lymph fluid

Red blood cells carry oxygen

• True
• False

There are more white blood cells than red blood cells

• True
• False

White Blood Cells fight off infection and germs

• True
• False

The main purpose of Red Blood Cells is to 

• carry gases, wastes, and nutrients
• attack and destroy pathogens
• clot the blood
• digest food