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The average adult has about 21 square feet of skin.
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
![Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones](https://biology-forums.com/gallery/47/medium_12359_26_01_13_3_56_03.png)
![Apply light tapotement on the head. Tapping lightly with the fingertips works well for this purpose.](https://biology-forums.com/gallery/33/medium_380798_23_08_17_7_48_42_33373984.jpeg)