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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.
There are more sensory neurons in the tongue than in any other part of the body.
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
![Cross section of a typical port fuel-injection nozzle assembly. These injectors are serviced as an ...](https://biology-forums.com/gallery/30/medium_548020_30_05_17_11_26_23_30000237.png)
![An IAC controls idle speed by controlling the amount of air that passes around the throttle plate. ...](https://biology-forums.com/gallery/30/medium_548020_31_05_17_3_06_59_300631398.png)