How the body fights infections

Your body works all day every day fighting off these microbes in order to keep you healthy. That is why you have an immune system!

How the body fights infections

Search How the Body Fights Infections The human body was designed to protect itself against harmful germs in order to stay alive. The most vital mechanism aiding that process would be the immune system.

The human immune system is working non-stop, everyday, and every second. There are millions of germs, bacteria, microbes, viruses, toxins, and parasites that float around us day by day; and the fact that we are not affected by most of them is because our immune system keeps these microscopic particles from invading our bodies.

However, sometimes the immune system may miss one of the harmful germs and the body becomes sick. Even though it was missed once, the immune system uses special white blood cells to attack harmful bacteria Nordqvist,p.

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The immune system always fights to get rid of the foreign particles and eventually the body is back to normal. Sometimes the revival process is aided by an extra intake of water, vitamins, medicines, antibiotics, and sometimes even surgery. When the body has foreign particles, such as a virus or a bacterium singular for bacteriathe body sends out cells to recognize it.

Once these cells find out what the invader is, the body launches a defense response to kill the infection. The immune system puts up a fight and gets the body back to normal.

Once the body is back to normal, the immune system can create memory cells, which will protect from future infections.

Symptoms help the body get rid of the infection by telling the immune system what cells need to be activated to fight off the invading foreign particles.


Secret Fighters 3 5. For instance, with the common nasal cold, inflammatory mediators are released when a nasal cell is infected with a cold virus.

How the body fights infections

Which in turn causes mucus gland secretion, reflexes of sneezing and coughing, and stimulates pain nerve fibers. Although having symptoms are not necessary for fighting an infection, seventy five percent of people with infections suffer from some type of symptom.

Medicine is usually taken to make a person feel better. Most medicines found in a drug store are just generalized medicines for many different types of people fighting the same type of infections, like the common cold. Most of these medicine just help relieve the symptoms of an infection but not the actually infection itself.

Prescribed medications that a person can get from a pharmacy are more specific for one certain person or one certain infection and can better fight the infection and help relieve the symptoms.

How the body fights infections

Antibiotics are a stronger type of medication that can only be prescribed by a doctor after being seen by one. The Greek word anti means against, and the Greek word bios means life" Nordqvist,p. Pain relievers are also usually prescribed with an antibiotic to accommodate the painful symptoms.

When the body is fighting off infections, it can be very tired and weak. It leaves little to no energy for other bodily function and to perform a normal daily routine. One such molecule that promotes destruction of invaders is called interleukin-1, [which] encourages special blood cells called B-lymphocytes to produce antibodies.

Interleukin-1 also allows T lymphocytes another type of immune system cell to attack bacteria. If you do not sleep, you become more susceptible to sickness, which stimulates your immune system, and thanks to the sedative effects of Interleukin-1, makes you sleepy. In other words, the immune system works to make you sleep; and sleep allows your immune system to work.

The immune system works in a step-by-step process.

How the Body Fights Infections

First the immune system creates a barrier that prevents bacteria and viruses from entering the body.Apr 19,  · This means our immune systems are primed to prevent another infection from the same virus, without attacking the body's own cells by accident.

This is known as 'acquired immunity'. Having a single infection with mumps during childhood will give you lifelong resistance, for example. 5. Lemons – Lemons contain two compounds called coumarin and tetrazine, both of which can help fight against several pathogens.

Lemons have protective effects both inside and outside the body. 6.

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Horseradish – Horseradish was known as an antibacterial food all the way back in the s. It has been used to help treat urinary tract infections and lung .

As HIV succeeds in destroying more and more of these important cells, the ability to fight off other infections gradually declines. If the "coordinator" of the process, the T-helper cell, is no longer functioning, other cells in the immune system cannot perform their functions, leaving the body open to attack by opportunistic infections.

Oct 18,  · For example, fever is a reaction to the presence of the body’s own phagocytes, and higher temperatures in the body can actually fight infections by “cooking” foreign cells. These precise actions of the human body to fight infections can be impaired if white blood cell counts are low.

How the Body Fights Infections Essay Sample. The human body was designed to protect itself against harmful germs in order to stay alive. The most vital mechanism aiding that process would be . It means your immune system has kicked into high gear to get rid of infection. Lymph nodes are also filters for your immune system.

They catch germs and dead or damaged cells and destroy them.

How the Body Fights Infections | Essay Example