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1. I knew that the immune system is a group of cells and other defenses to protect us from diseases and other pathogens that cause disease in our bodies.
2. What most attracted my attention was that white blood cells could recognize viruses and destroy them, there are many different types of white blood cells and the different layers that protected us from pathogens.

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Stefano mich

1. I knew it defended our body against diseases     s

2.what got my attention was that there are many different types of pathogens and how easily it is transmitted to the body

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1) I knew that the immune system existed, and prevented us from catching many diseases. But barely knew anything else.
2) I didn't know exactly how it worked and many of the specifics

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1.I already knew the role of the immune system protecting us and help fight diseases.
2.The thing that got my attention is how the pathogens work inside our body.

# data[].attributes.body
1. I already knew that the immune system protects us from diseases

2. What called my attention was that a fever is a body wide inflammation

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I knew that it protected us against sickness and diseases
There are many more layers to the system than just killing bad stuff.

# data[].attributes.body
I already knew that it protects our body and helps fight disease

What called may attention was the different types of pathogens and how each one infects the body differently

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I knew that the immune system was the one who helps fight diseases

i didn't know that was pathogen and why it is important to know

# data[].attributes.body
1.) What I already knew about the immune system, is that white blood cells fight against pathogens, protecting the body from diseases.

2.) What mostly caught my attention, was the fact that there is more than one white blood cell, each one with a different function and different appearance.

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1. I already knew that the immune system protects us from any disease that may cause harm to our body with white blood cells and the lymphatic system.
2. The details about how the layers worked and the many factors that our body produces in order to keep us safe called my attention.

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1. I already knew that there were special cells that protect us from infections and diseases.
2.) How pus was formed.

# data[].attributes.body
1. I already know about the white blood cells and that the immune system protected us from disease
2. The thing that attracted my attention was the part of the white blood cells causing pimples

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1. I already knew that the immune system helps fight disease and that it has different types of cells.
2. What called my attention was how pus comes from the remains of something else

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1. I knew that the nervous system was the one in charge to protect us against diseases and keep the body  safe.
2. What called my attention were the different types of white blood cells that are in charge of eliminating different kinds of diseases.

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1.) I already knew that there are cells inside our body that keep bacteria away from our bodies.

2.) What called my attention was that the killer cells make sure that every single cell is clean and not infected.

# data[].attributes.body
1. I already knew that the immune systems helps us fight disease. It protects us against pathogens trying to enter our body.
2. The thing that called my attention was the three layers of the system. The first one is the skin and mucous membrane, the second is the non specific response, and the third one is the specific response.

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1) I already knew about leukocytes, white blod cells, and how they contirbute in the immune system.
2) It called my attention how close people in ancient Greece and ancient Rome were so knowledgeable about how diseases and infections work, even with their obvious dissadvantage in terms of resources..

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1.) I already new that the immune system helps fighting diseases.

2.) What caught most my attention was learning how easy it is to get infected.

# data[].attributes.body
1.I already knew that is a network of cells and tissues that defend your body

2. What called my attention was how pathogens can cause serious diseases

# data[].attributes.body
1.i already knew that the immune system was the one that is responsible for fighting diseases in our body
2. What called my attention was the various types of white blood cells that exist and the three types of tissue

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1. I already knew about the killer cells.
2. I did not know pus was the remaining of an immune response

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1. What did you already know about the immune system?
2. What called your attention?