The immune system is a fascinating structure it defends the body against foreign invaders like bacteria, viruses and parasites. There are two primary forms that make up the immune system they are, innate and adaptive systems. Both the innate and adaptive system plays a large role in the immune system. The innate is the primary system to defend against foreign materials and the adaptive is the secondary system that responds to specific issues. The difference between the innate and the adaptive systems are the innate consists of: • Epithelial barriers • Phagocytes • Dendritic cells • Plasma proteins • NK cells The first sign an infection will take the innate from 0 to 12 hours to begin its attack. “The adaptive immune system, on the other hand, is called into action against pathogens that are able to evade or overcome innate immune defenses.” The innate and adaptive immune systems, Retrieved from http://missinglink.ucsf.edu/lm/immunology_module/prologue/objectives/obj02.html para. 2 The components that make up the adaptive immune system are: • Naïve B cell • Antibodies • Naïve T cell • Effector T cells Adaptive immune system happens much quicker to the presence of an “infection creating potent mechanisms for neutralizing or eliminating the microbes. There are two types of adaptive immune responses: humeral immunity, mediated by antibodies produced by B lymphocytes, and cell-mediated immunity, mediated by T lymphocytes.” The innate and adaptive immune systems, Retrieved from http://missinglink.ucsf.edu/lm/immunology_module/prologue/objectives/obj02.html para. 2 Innate system critical main defense is the cellular component; there are several kinds of cells involved in the process. One of the crucial cells is the macrophage. ... ... middle of paper ... ... the case of autoimmunity, allergies, rheumatoid arthritis are but a few that the immune system failed to operate. When the immune system doesn’t work then modern medicine has to step in to help our body’s heel. Works Cited The innate and adaptive immune systems, Retrieved from http://missinglink.ucsf.edu/lm/immunology_module/prologue/objectives/obj02.html The innate and adaptive immune systems, Retrieved from http://missinglink.ucsf.edu/lm/immunology_module/prologue/objectives/obj02.html para. 2 Wikipedia, Physiology, Retrieved from http://en.wikipedia.org/wiki/Monocyte Wikipedia, Retrieved from http://en.wikipedia.org/wiki/Mononuclear_phagocyte_system JLB Journal of Leukocyte Biology, David M. Mosser, 2002, Retrieved from http://www.jleukbio.org/content/73/2/209.full Wikipedia, Function, Retrieved from http://en.wikipedia.org/wiki/C-reactive_protein para. 2
The immune system is made up of a network of cells, tissues, and organs that work together to protect the body, and it defends the body from “foreign invaders.” Immunity can be divided in two three different defenses, and these are defined as first, second and third lines of defense. The first line of defense for the immune system is the primary defense against pathogens entering the body from the surface in order to prevent the start of disease and infection. Some examples of the first line of defense is the skin, protecting the external boundaries of the body, and the mucous membranes, protecting the internal boundaries of the body. Although the skin and mucous membranes work on the internal and external boundaries, they both release chemicals
The job of the immune system is to keep “foreign” invaders out of the body, or if one gets in, to seek it out and kill it. These foreign invaders are called pathogens, which are tiny organisms that can cause an infection in the body. Pathogens can be bacteria, parasites, and fungi (http://www.niaid.nih.gov/topics/immuneSystem/pages/whatisimmunesystem.aspx).
The human immune system is an amazing system that is constantly on the alert protecting us from
The improvement of medicine over the course of the human successes gave great convenience to the people of today. Science has cured and prevented many illnesses from occurring and is on its way to cure some of the most dreadful and harmful illnesses. As the world modernizes due to the industrialization, so does the ways of medicine. Some cures are approached by chance, some, through intense, scientific measures.
The function of the immune system is it helps play a vital part of our everyday lives. It helps protect our bodies where ever we go. Our immune systems help defend our bodies against germs and microorganisms. The immune system is made up of various special cells, tissues, organs and proteins. This special system does an amazing job of keeping our bodies healthy and in good shape from different diseases and infections.
The lymphatic system is very similar, and works with and directly at the side of the cardiovascular system. The lymphatic system has a network of vessels like the circulatory system which pump a plasma-like fluid called lymph around it’s own lymph vessels, and are found in most other tissues of the body, except the central nervous system.
“The lymphatic system is a vital and integral part of the cardiovascular system”. The lymphatic system contains many structures which consist of lymphatic vessels, lymph fluid, lymph cells, lymph nodes and other substances. (Hastie, 2012) The lymphatic system consists of a network of fine tubes or vessels which ramify throughout the body similar to blood vessels. Unlike the blood the fluid is moved by the muscles and limbs. The lymph vessels have fine walls, so water can pass easily through them. The main role of the lymphatic system is too drain off excess fluid from all parts of the body. This prevents the cells getting waterlogged. (Hayes, 2002). Other functions include returning the lymph back to the heart and immune surveillance within
Seattle Education Project. (2013, November). STEP: The Immune System - An Overview, [Online]. Available: http://www.thebody.com/step/immune.html [11/12/14].
as easily bring pain. We discover new types of medicine to extend our lives, but that is
In later centuries, however, this belief was cast aside. Medical professionals focused on identifying and treating symptoms through physical means such as drugs and surgery, and mostly ignored the role of mental states in the prevention and treatment of disease. To most doctors, the immune system was regarded as an autonomous entity, operating independently of the mind and behavior. Since the 1960's, however, researchers have realized that these ideas are incorrect, and have since been looking at the mind-body connection more closely and with more respect.
Inflammation which is part of the innate immune system is a process by which the body reacts to injury protecting it from infection and foreign substances with the help of the body’s white blood cells “Inflammation can be defined as the body’s local vascular and cellular response to injury caused by factors that invade and injure the body from the outside (exogenous factors) or factors within the body that result in cellular or tissue injury (endogenous) factors” (Battle, 2009, P 238). Factors such as bacteria, viruses, burns, frostbite, chemical irritants, immune reactions and physical injury are examples of factors that can cause inflammation through different mechanisms. It is a protective mechanism with rapid response that neutralizes or destroys agents that causes injury and creates a barrier that limit the injury and prevents its spread to normal tissues (Battle, 2009). Also, it has elements that removes debris and heals the wound generated by the injury. It can be divided into acute and chronic inflammation.
We are always hearing on the news and in newspapers about children catching diseases and often dying from them. Why is this happening when all of these diseases are easily preventable by simply being immunised, why aren’t parents getting their children Immunised, is it for religious beliefs or just carelessness. What ever their reason may be is it really good enough, because why would anyone rather let their child be able to catch and spread a deadly disease then have them Immunised, so Immunisation should be made compulsory for all children.
The human body is very complex. It is like a job. You have to do a million things in one day to make it through the day. The body uses nine systems to do all of those jobs. They all have separate functions, but some work together. Each system is also made up of organs. There are many ways to care and protect the systems from the many different problems they can have. There are also many interesting facts about each system.
As a first way to heal, when people use alternative medicine, they take fewer drugs and chemicals in to their bodies and there are fewer side effects for them and if people protect themselves before they sicken, they do not need any pills. This means that, when people caught in any kind of disease if they use herbal therapies to heal their illnesses, they do not harm their organs or systems. They...