|
|
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.
The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
The familiar sounds of your heart are made by the heart's valves as they open and close.
![Headsets are ergonomically correct and allow the medical assistant or receptionist to use both hands](https://biology-forums.com/gallery/47/medium_380792_01_06_16_12_37_18_235921.jpeg)
![Growth cones. The cytoplasmic fingers (the filopodia) of growth cones seem to grope for the correct ...](https://biology-forums.com/gallery/30/medium_548020_06_06_17_12_41_55_30343765.png)