What is the immune system explain in detail?

A complex network of cells, tissues, organs, and the substances they make that helps the body fight infections and other diseases. The immune system includes white blood cells and organs and tissues of the lymph system, such as the thymus, spleen, tonsils, lymph nodes, lymph vessels, and bone marrow.

What are the 7 parts of the immune system?

The main parts of the immune system are: white blood cells, antibodies, the complement system, the lymphatic system, the spleen, the thymus, and the bone marrow. These are the parts of your immune system that actively fight infection.

What are the 5 parts of the immune system?

Organs and tissues important to the proper functioning of the immune system include the thymus and bone marrow, lymph nodes and vessels, spleen, and skin.

  • Bone marrow and thymus.
  • Lymph nodes and vessels.
  • Spleen.
  • Skin.

What are the stages of the immune system?

Three main phases encompass the immune response that is orchestrated by antigen-specific T cells: expansion, contraction and memory (see Fig. ​ 1a).

How many types of immune system are there?

There are two types of immunity: active and passive.

What are 10 facts about the immune system?

Surprise!

  • Some people have little to no immune system.
  • People long believed fluid imbalances caused diseases.
  • The earliest known reference to immunity goes back over two millennia.
  • Disease symptoms are sometimes the result of your immune system doing its job.
  • Your immune system may suffer from lack of sleep.

    • What are 5 fun facts about the immune system?

    Here are five interesting facts about the immune system.

    • White Blood Cells Are Crucial. In your immune system, white blood cells play an incredibly important role.
    • Immune System Causes Allergic Reactions.
    • Stress Can Reduce Immune Health.
    • Immune System Can Attack Itself.
    • Vaccines Are Highly Compatible with Immune System.

    What are 4 Interesting facts about the immune system?

    What are 2 interesting facts about the immune system?

    The immune system is a complex fighting system powered by five liters of blood and lymph. Lymph is a clear and colorless liquid that passes throughout the tissues of the body. Together, these two fluids transport all the elements of the immune system so they can do their jobs.