Essay On Tuberculosis
TUBERCULOSIS AND HOW IT AFFECTS THE RESPIRATORY SYSTEM
The human respiratory system is responsible for taking in oxygen and getting rid of carbon dioxide between the external environment and the internal environment. There are many organs in the respiratory system involved in breathing such as the nose, the pharynx, Larynx, Trachea, bronchi and most importantly the lungs. The lungs are responsible for the exchange of gases as we breathe in air, this happens between the alveoli and the capillaries.
The Red blood cells in our body diffuse the oxygen from the lungs then carry it to the parts of the body where it is needed to produce energy. The red blood cells collect the carbon dioxide and then return it back to the lungs, where it then leaves
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Tuberculosis (TB) is caused by a bacterium called mycobacterium tuberculosis. The bacterium usually attacks the lungs but can also affect other parts of the body such as the middle ear, brain, spine and kidneys. TB is a serious condition and if not treated properly the disease can be life threatening.
The bacterial infection is spread through inhaling tiny droplets from an infected person who may have coughed or sneezed, although there is other ways of catching TB, for example talking with an infected person or even being in the company of someone singing who has TB. You do have to be in there company for a prolonged amount of time.
When a person is infected by TB disease it can lay dominant in their body and they never experience any symptoms of having Tb, this is called latent TB. According to WHO (world health organization) two thirds of the world’s population has been affected with TB but it lays dominant in their systems without them even knowing, it is only when it becomes active that people start to experience symptoms of having TB known as pulmonary TB when it affects the
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