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What is one function of the Immune System
To defend the body against disease or illnesses
What is the first line of defense against disease causing organisms?
The skin
What organ of the Immune system is shown here
What term describes a foreign substance that signals antibody production?
Pathogen
What is one function of the white blood cells?
White blood cells search for, attack and destroy germs to keep you healthy.
Name that Part: What is the small bean-shaped structure that is part of the body’s immune system.
Lymph Nodes
What percent of the immune system is located in the gut?
70%
What would happen if we did not have an Immune System?
Without an immune system, we would have no way to fight harmful things that enter our body from the outside or harmful changes that occur inside our body.
What are the two subsystems of the Immune System?
The Innate (Non-Specific) Immune System & The Adaptive (Specific) Immune System
What are the four main types of pathogens?
Viruses, Bacteria, Protozoa (parasites), and Fungi
What does the Innate Immune System do?
The innate immune system provides a general defense against harmful germs and substances
What does the Innate Immune System consist of?
Protection offered by the skin and mucous membranes & Protection offered by the immune system cells (defense cells) and proteins
What does the Adaptive Immune System do?
It specifically targets the type of germ that is causing the infection
What is the adaptive immune system is made up of?
T-cells, B-cells, and Antibodies
How does the Immune System protect us from illnesses?
White Blood Cells patrol the blood and tissues throughout the body in search of pathogens.
What do Phagocytes do?
Phagocytes engulf the intruders, break them down and chew them up.
