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The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.
There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
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.
![Rolling on the arm. Hands on opposite sides of the arm compress and roll the soft tissues and create ...](https://biology-forums.com/gallery/32/medium_380798_23_08_17_12_08_28_32992869.jpeg)
![Stretch the hip in lateral flexion. Bring the knee toward the chest. Place one hand on the shoulder ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_5_40_31_33234755.jpeg)