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Bronchitis
Bronchitis is an obstructive pulmonary disease characterized by inflammation of the bronchi of the lungs. Bronchitis can be acute (short-term), or chronic (long-lasting). Chronic bronchitis is ... > more -
Excretory system
The excretory system is the system of an organism's body that performs the function of excretion, the bodily process of discharging wastes. The Excretory system is responsible for the elimination of ... > more -
Blood test
Blood tests are laboratory tests done on blood to gain an appreciation of disease states and the function of organs. Since blood flows throughout the body, acting as a medium for providing oxygen and ... > more -
Pulmonary embolism
Pulmonary embolism is a blockage of an artery in the lungs by a blood clot, fat, air or clumped tumor cells. By far the most common form of pulmonary embolism is a thromboembolism, which occurs when ... > more -
Gas exchange
Gas exchange or respiration takes place at a respiratory surface; a boundary between the external environment and the interior of the body. For unicellular organisms the respiratory surface is simply ... > more -
Brain tumor
A brain tumor is any intracranial mass created by an abnormal and uncontrolled growth of cells either normally found in the brain itself: neurons, glial cells (astrocytes, oligodendrocytes, ependymal ... > more
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