Pneumonia is an infection of one or both lungs which is usually caused by bacteria, viruses, or fungi. Prior to the discovery of antibiotics, one-third of all people who developed pneumonia subsequently died from the infection. Currently, over 3 million people develop pneumonia each year in the United States. Over a half a million of [...]
Tags: bacteria viruses, bacterial pneumonia, discovery of antibiotics, fever chills, fevers, pneumonia cases, symptoms of pneumonia, viral pneumonia
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Humans can’t live without blood. Without blood, the body’sĀ organs couldn’t get the oxygen and nutrients they need to survive, we couldn’t keep warm or cool off, fight infections, or get rid of our own waste products. Without enough blood, we’d weaken and die. Blood is a specialized bodily fluid that delivers necessary substances to the [...]
Tags: adult human body, blood cells, blood tests, breastbone, fatty acids, fight infections, heart pumps blood, hemoglobin, red cells
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