The human body requires a multilayered immune system to keep it running smoothly. The two main classes of the immune system are the innate immune system and the adaptive immune system, or "acquired immunity". This article discusses the...

This article will help students learn how to describe the lymphatic system and its functions in the immune response, explain the role of antigens, describe a humoral immune response, identify roles of different types of T cells, define...

This Khan Academy resource is an article about adaptive immunity.

Discover new knowledge about molecular biology- how molecules fit together as a lock and key. This has given researchers new diagnostic tools that use immune cells from mice to produce antibodies to detect a specific virus or bacterium.

Scientists are studying how mosquitos are able to fight off the parasites that humans seem to be unable to battle. Research is being done to help understand what slows or stops these parasites in the mosquito to protect them in an effort...

This lengthy essay describes the balance between state and federal judiciary courts and touches on independence, integration, power limits and immunities.

Students will be able to describe mechanical, chemical, and biological barriers that keep most pathogens out of the human body.

This article helps students explain how allergies occur and provides a list of common allergens.

Learn why the Sun keeps us healthy, and also, learn how the Sun can harm our skin, eyes, and immune system. Read about the dangers associated with the Sun's ultraviolet rays, and read tips to help you stay safe when outside in the summer...

The Ebola disease is a life-threatening illness caused by the Ebola virus. There is currently no vaccine or specific medication for Ebola. Further discussion includes How does the virus replication work?; What are the symptoms of Ebola...

Antibiotic resistance describes a bacteria's ability to survive while being exposed to antibiotics. Topics explored are the following: How does antibiotic resistance develop exactly?; How do we measure antibiotic resistance?; How...

An overview of antibiotics, including What are antibiotics?; How were antibiotics discovered?; How do antibiotics work?; Azithromycin; Antibiotic development?

Basically, the stronger your immune system the healthier you are and, as a consequence, the more protected you are from environmental factors that lead to infection and sickness. If you eat foods that are rich in the nutrients your body...

Use this site to find out why you need to get shots in order to stay healthy. This article tells what is in shots and how they make you immune to many harmful diseases.

Let's take a step back from the news of the past few days and ask a fundamental question: Why does everything suddenly seem different? Donald Trump, the unsinkable candidate who seemed immune to political consequences while winning...

Having achy joints and fatigue may seem like complaints of an elderly individual. Life with Lupus, however, can cause such conditions in a teenager. Learn more about the condition in this article and the links to related sites.

Have you ever wondered how a virus or other infectious agent invades a cell to start an infection? Some objects, like viruses, bacteria, or other particles are too large to transport through the plasma membrane. So, cells engulf the...

Insightful article that categorizes and describes the various types of allergies. Also gives information on treatment of symptoms.

Informational overview of hay fever. Includes information on diagnosis, treatment, prevention, and much more.

Professional network of massage therapists from around the globe. Site contains articles on the most recent massage therapy research.

Article presents a theory regarding the role of the appendix in the human body.

Most people, especially young adults, think they look better with a tan. But excessive sun exposure can cause serious damage to your skin and can lead to skin cancer. Find out how to be smart in the sun.

An in-depth look at cancer and the human body. Learn about cancer on a cellular level, types of cancer, how genetics and lifestyle risk factors play a part in cancer growth, and much more.

A good article on the infection of HIV and the subsequent disease. Discusses transmission and symptoms. Original resource from 2008 U. S. National Institute of Allergy and Infectious Diseases.