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Immune and Circulatory System
Transcript of Immune and Circulatory System
Maintaining a balance within the body is very essential in staying healthy. The immune system maintains homeostasis by removing any foreign cells. The circulatory system does this by continuously sending blood and essential substances - like white blood cells from the immune system - through the entire body.
If balance is not maintained, the body will suffer major consequences. Without a balanced immune system, diseases can continuously enter the body. Homeostasis of the immune system helps the body avoid being vulnerable. If the circulatory system does not maintain homeostasis, then blood, oxygen, nutrients, etc. will not get where they are needed. For example, the entire body needs oxygen so if it is not being circulated, the body will react. Headaches and fatiuge will be the beginning of bad effects from a lack of oxygen.
The immune system depends on the circulatory system in order to stay healthy. The body needs white blood cells to fight off disease, which would not be able to flow through the body without the circulatory system fufilling its function. Without cells from the immune system to fight off disease, the circulatory system wouldn't have these supportive cells to spreade through the body.
The organs of the circulatory system include the heart, blood/blood vessels, and lungs. Their functions are:
Heart - Pump and circulate blood through the whole body.
Lungs - Transport oxygen into the bloodstream and release carbon dioxide.
Blood/Blood Vessels - Fluid that transports substances that are necessary for the body, such as nutrients and oxygen.
The immune system is made up of bone marrow, thymus, lymph nodes, and the spleen. Their functions are:
Bone Marrow - Creates certain essential cells, such as red blood cells.
Thymus - "Teaches" the cells produced from the bone marrow how to react to foreign cells/substances, which will help keep disease out.
Lymph Nodes - These filter lymph, a fluid that drains from tissues.
Spleen - Filters the blood, which will destroy any old, damaged, or diseased cells.
Many of the organs within the systems depend on each other, as well as systems depending on one another. If a failure or decrease in function occurs, it can have drastic consequences and can be dangerous. For example, if bone marrow stopped producing white blood cells, these protective cells would not be circulated through the blood. The main function of the immune system is to protect against sickness, which wouldn't happen if there was a failure in one of the organs.
-Chapters 30 and 31 of the eBook