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The spleen of horses stores roughly 30 percent of the red blood cells and can release them when needed. [20] In humans, up to a cup (240 ml) of red blood cells is held within the spleen and released in cases of hypovolemia [21] and hypoxia. [22] It can store platelets in case of an emergency and also clears old platelets from the circulation.
The cells in the respiratory epithelium are of five main types: a) ciliated cells, b) goblet cells, c) brush cells, d) airway basal cells, and e) small granule cells (NDES) [6] Goblet cells become increasingly fewer further down the respiratory tree until they are absent in the terminal bronchioles; club cells take over their role to some extent here. [7]
Tuberculosis is one of many other infections that occurs in the lower respiratory tract. You can contract this infection from airborne droplets, and if inhaled you are at risk of this disease. This is a bacterial infection that deteriorates the lung tissue resulting in coughing up blood. [18] This infection is deadly if not treated.
Symptoms of bronchiectasis commonly include a cough productive of frequent green or yellow sputum lasting months to years. [3] Other common symptoms include difficulty breathing, wheezing (a whistling sound when you breathe), and chest pain. Exacerbations of symptoms may occur, these exacerbations occur more frequently in advanced or severe ...
Splenic infarction occurs when the splenic artery or one of its branches are occluded, for example by a blood clot. [3] In one series of 59 patients, mortality amounted to 5%. [3] Complications include a ruptured spleen, bleeding, an abscess of the spleen (for example, if the underlying cause is infective endocarditis) or pseudocyst formation ...
Cellular respiration is a vital process that occurs in the cells of all living organisms. [2] [better source needed] Respiration can be either aerobic, requiring oxygen, or anaerobic; some organisms can switch between aerobic and anaerobic respiration. [3] [better source needed]
Chest pain. Fatigue. Dizziness. Fainting. Fever. Irregular heartbeat. Weight gain. Heart palpitations. Heart attack. A heart attack occurs when the blood flow to your heart is blocked. The most ...
Hydrogen peroxide exposure may also result in hypersensitive response, which is the death of a small number of host cells at the site of infection, for the purpose of limiting pathogenic infection. [30] [31] ROS production in plants can be used as a readout for successful pathogen recognition via a luminol-peroxidase based assay. [32]