The Immune System

How It Works
The immune system is a network of cells, tissues, and organs that all work together to protect and keep your body safe. Once a pathogen has passed the skin, the first line of defense are the white
blood cells. The white blood cells produce two types of helpers (lymphocytes); B-lymphocytes or B cells, and T-lymphocytes or T cells. The T cells react to the substance called antigens on the pathogen. The B cells produce a protein called antibodies. The T cells and the antibodies work together to destroy pathogens. Our immune system is always at war inside of us pathogens, tying to keep us safe.

Organs Our immune system has many interesting organs. These are the lymph nodes, bone marrow, thymus, and the spleen. The lymph nodes drain pathogens and antigens out of the body’s tissue. The bone marrow produces red blood cells, and white blood cells. The thymus produces T lymphocytes. The spleen filters the white blood cells through our blood cells. All of these organs are always inside of us helping our body stay healthy.

How The Immune System Interacts With Other Systems

The immune system interacts with many other systems. One of those systems is the circulatory system. The white blood cells travel through the circulatory system’s veins, and if veins are damaged then the immune system repairs them. Another system that the immune system interacts with is the skeletal system. T and B cells are made in bone marrow, and the skeletal system protects the immune system’s organs with the bones. The final system that the immune system works with is the muscular system. The cardiac muscle moves the bloodstream through the body. Also smooth muscle is inside the spleen. All of the systems of the human body are important and they all interact in some way.

The immune system has many diseases. One of these diseases is diabetes. Signs that you have diabetes are loss of weight, the need to go pee, feeling weak, and being very hungry all the time. There are two types of diabetes. Type one is when your body can’t process glucose (sugar), or reacts to it in a different way.
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This is because it doesn’t produce insulin properly. Type one is when the immune system attacks the beta cells (the insulin producing cells in your pancreas) and causes your pancreas to produce little or no insulin. If you have type one diabetes, you’ll start to see signs in childhood or early adulthood. Type two diabetes is when your body doesn’t react normally to insulin because of your diet and/or lack of exercise. If not treated, diabetes may cause kidney failure, heart disease, and/or blindness. Diabetes is dangerous, but if treated well, there is less worry.

Allergies Another problem of the immune system are allergies. Allergic reactions happen when a substance foreign to the body makes contact with the body causing the immune system to unnecessarily attack it. Then it becomes an allergy. Most popular allergies are cat, dog, molds, pollen, and some foods, even some medicines. Common allergic reactions, or allergens are sneezing, coughing, and watery eyes. You can touch, eat, or breath these allergies in. seasonal allergies are the kind that you get every season change. Allergies are not that serious, but they can be if you don’t take precaution.Asthma If allergies are to a cretin point of seriousness, then they cause asthma. Asthma is a disorder when your berthing passages become very narrow. You become short of breath, and start wheezing. Asthma’s main causes are allergies, stress, and exercise. Asthma, as well as allergies doesn’t spread by skin. There are medications fore both asthma and allergies. Another infection of the body is HIV and AIDS. HIV stands fore human immunodeficiency virus. HIV is spread through sexual intercourse, or if HIV infected blood enters into your bloodstream through a cut, scra
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pe, or scratch. Once HIV is inside your blood it produces AIDS. AIDS stands fore acquired immunodeficiency syndrome. AIDS is the effect you receive from HIV. HIV and AIDS will kill all the cells in your body until you die. It can be prevented if you find out soon enough. Although there is still no cure fore HIV and AIDS. Luckily you can live with HIV and AIDS because there are lots of medicines to keep you alive.
Cancer A final infection of the human body is cancer. Cancer is actually not an infection or a disease. Cancer is an internal virus. It all starts with abnormal tissue masses called tumors. Although not all tumors are cancerous (may cause cancer), many are. Cancerous tumors invade and destroy the healthy tissue around them. Then the infected tissues create infected cells that carry the infection through the blood vessels or lymph vessels. Then more tumors will be created. This process will continue to repeat itself until the person is dead. Tumors, if caught soon enough may be prevented, but there is still no cure fore cancer. Cancer is commonly passed down from generation to generation; therefore you are at a grater risk of having cancer. Even if your ancestors hade, or have cancer, that doesn’t mean that your 100% positive to get cancer. Carcinogens may also cause cancer. Ultraviolet light, or smoking may be a carcinogen depending on the person. At this point in time there is no cure for cancer, although scientists are very close to inventing a cure. bibliography Web