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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.

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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

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More than 4.4billion prescriptions were dispensed within the United States in 2016.

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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Cell Structure Cell Structure
cell membrane cell membrane
Consider using a foam pad on your table. Consider using a foam pad on your table.
Basal cell carcinoma Basal cell carcinoma
This table shows the growth of a crowd at a rally over a 3 h period. This table shows the growth of a crowd at a rally over a 3 h period.
A Gaucher cell showing accumulated fat stored in structures called lysosomes A Gaucher cell showing accumulated fat stored in structures called lysosomes
Video: ribosome

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