ANATOMY

Detailed explanation-1: -The immune system has a vital role: It protects your body from harmful substances, germs and cell changes that could make you ill. It is made up of various organs, cells and proteins.

Detailed explanation-2: -They protect against harmful germs, parasites (such as worms), or cells (such as cancer). The innate immune system is inherited. It is active from the moment your child is born.

Detailed explanation-3: -(ih-MYOON SIS-tem) 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.

Detailed explanation-4: -The lymphatic system is composed of: Primary lymphoid organs: These organs include the bone marrow and the thymus. They create special immune system cells called lymphocytes.