Match the following images with their descriptions.

• This pathogen has 2 different antigens on its surface.

• 
• An antibody's binding site must match shape of antigen.

• 
• Only antibody A will bind to the antigens on this pathogen.

• 
• This is made from a weakened form of a pathogen.

• 

Which type of immune system cell is usually found in tissues that come in contact with the external environment?

• Eosinophils
• Neutrophils
• B-cells
• Dendritic cells

This WBC stains readily with basic dyes.  It is involved in inflammatory reactions in your body, especially those related to allergies and asthma

• neutrophil
• basophil
• eosinophil
• monocyte

A type of WBC that fight certain infections and help other WBCs remove dead or damaged tissues, destroy cancer cells, and regulate immunity against foreign substances.

• microcyte
• monocyte
• erythrocyte
• platelet

Where do T cells mature?

• lymph node
• bone marrow
• thymus
• liver

Where do B cells mature?

• thymus
• bone marrow
• lymph node
• spleen

What is A?

• Thymus

• Spleen

• A lymph node

• Blood vessel

Which is an example of a non-specific immune response?

• I only

• II only

• I and II only

• I, II, and III

Find the phagocyte

Find the lymphocyte