Micrographs of blood can be found at this detailed site.

Question: On a piece of paper, sketch a typical neutrophil.

http://www.cellsalive.com/

This visually appealing site provides the user with a multitude of stunning micrographs and detailed explanations.

Question: View the section on how lymphocytes produce antibodies and answer the following questions on a piece of paper:

A. How does antigen processing work?

B. How was this micrograph taken?

http://www.pitt.edu/~genetics/lymph/faqs.htm

This informative site introduces the user to fundamentals of the lymphatic system and lymphedema.

Question: A. What is the function of the lymphatic system?

B. What are the symptoms of lymphedema?

http://www-micro.msb.le.ac.uk/MBChB/MBChB.html

This extensive site with graphics consists of over 20 tutorials on the immune system and infection. Some tutorials include Microbes and Man, The Humoral Theory, Anatomy of the Immune System, Cells of the Immune System, Principles of Immunization, and Epidemiology.

Question: A. Where is the thymus located?

B. What is the difference between innate and acquired immunity?