Immune disorders result from both underactive and overactive immune systems. select the best answer from the choices provided. t f

True

Explanation:

Immune system is human body's defense against harmful invaders and infections and helps up to stay healthy. It is made up of cells, tissues and organs. Lymphatic system is a major part of immune system which contains network of lymph nodes and vessels. The lymph nodes are small bean shaped clumps of immune system cells connected by lymphatic vessels, they contain white blood cells that trap viruses, invaders and bacteria. The immune system disorder is when your immune system is not working. These disorders are of three types: Severe combined immunodeficiency (SCID), Temporary acquired immune deficiencies and AIDS. Due to certain genes in your cells the immune system can react to the normally harmless substances called allergens. Asthma, Eczema, Hay fever and Food allergy are caused due to over active immune system.

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Explanation:

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