https://www.livescience.com/40712-immune-system-surprising-facts.html

Oct 25, 2013 ... The main job of the human immune system is to protect the body from disease. Here are 11 interesting facts about the immune system you may ...

https://www.healthline.com/health/cold-flu/fun-facts

The immune system is a complex fighting system powered by five liters of blood and lymph. Learn more about how your immune system protects you.

http://mentalfloss.com/article/520326/12-fantastic-facts-about-immune-system

Without our immune systems, we wouldn't last very long. ... that are important for overall gut health—especially after infections wipe out the gut's good microbes.

https://www.everydayhealth.com/news/10-amazing-facts-about-your-immune-system/

Jun 15, 2015 ... Here are 10 amazing facts about the immune system: 1. ... Vaccines play an important role in educating your immune system. Vaccines work by ...

https://www.coolkidfacts.com/immune-system/

Immune System The immune system protects your body from pathogens that make you ... Sunlight can also help your immune system, and it's important not to  ...

https://www.newsmax.com/fastfeatures/interesting-facts-about-the-immune-system/2016/05/31/id/731612/

May 31, 2016 ... The immune system identifies harmful bacteria, viruses, and cancer cells and attacks them with white blood cells. Here are five interesting facts ...

https://www.theactivetimes.com/fitness/11-surprising-facts-about-immune-system

Dec 2, 2016 ... Your immune system is your body's natural defense system. Hence, when the immune system is working properly, all cells, tissues, and organs.

https://www.bioexplorer.net/top-immune-system-facts.html/

Apr 27, 2019 ... Immune System Fun Facts: The immune system comprises of all the cells, tissues and organs that provide defense and protect the human body ...

https://www.cyh.com/HealthTopics/HealthTopicDetailsKids.aspx?p=335&np=152&id=2402

Mar 15, 2018 ... What is immunity? The body's immune system; The skin; Other defences; Lymphatic system; White blood cells; How does your immune system ...

http://www.softschools.com/facts/human_body/immune_system_facts/2260/

The Human immune system is the body's protection system. ... Interesting Immune System Facts: ... Sleep is very important for a person's immune system.