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Repiratory system

QuestionAnswer
This system takes in oxygen and removes CO2 and water respiratory system
We are meant to breathe through our noses to trap particles (hairs do this) and warm the air with turbinate bones conchae
These neutralize inhaled microorganisms. pharyngeal tonsils (adenoids
The mucous lining the tract is sticky and also traps microorganisms and neutralizes them with SECRETORY IgA a non-specific antibody.
How the rate of breathing is controlled also, The cells of the tract are ciliated to trap particles and microorganisms and to trigger a cough and sneeze reflex through the medulla oblongata
When mucuous moves upwards so it doesn't collect in the deeper parts of the system mucociliary elevator)
After passing through the pharynx, the air passes into the trachea which is a stack of C-shaped hyaline cartilage rings
From here the trachea divides (bifurcates) into left and right bronchi which are also cartilaginous
These are elastic air sacs rich in capillaries that exchange CO2 and O2 with the blood stream via diffusion. ALVEOLI
This substance allows for the dissolving of O2 and CO2 at the surface of the alveolar sac. SURFACTANT.
The level of CO2 in the blood triggers responses by the medulla.
CO2 mixes with H2O to form carbonic acid (H2CO3).
in the medulla they determine the acid concentration in the blood and control the rate of respiration accordingly. Chemoreceptors
a breakdown of the alveoli over years. It is a progressive, eventually fatal disease. There is no replacement of the alveoli once they are destroyed EMPHYSEMA
Carbon dioxide build up in the bloodstream RESPIRATORY ACIDOSIS (CO2 +H2OH2CO3-carbonic acid)
The thoracic cavity (chest cavity) is a vacuum. If an injury occurs and air is allowed to enter through a hole to the outside this can develop and a lung will collapse TRAUMATIC PNEUMOTHORAX
In the absence of trauma, a weak spot on the lung (BLEB-a developmental anomaly that developed during in-utero growth) may open causing SPONTANEOUS PNEUMOTHORAX.
If blood gets into the thoracic cavity it is called ____________If both get in it’s called _______ HEMOTHORAX. , HEMOPNEUMOTHORAX
caused by Mycobacterium tuberculosis, a bacterium that was on the decline thanks to antibiotics. Now, due to AIDS, these patients are developing resistant strains that are spreading to the general population. TUBERCULOSIS
caused by constriction of the smooth muscles lining the respiratory tract accompanied by inflammation. Its cause is unknown. Bronchial asthma
Caused by Pneumocystis jiroveci (fungus). Very weak organism. Will not cause an infection in a person with a normal immune system. Much more prevalent in AIDS patients and people with suppressed immune systems PNEUMOCYSTIS PNEUMONIA (PCP)-
Created by: morganbmark95