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The human body produces and destroys 15 million blood cells every second.

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Good computer skills are now required to be a successful member of an office staff. Good computer skills are now required to be a successful member of an office staff.
Successful male musical groups may owe some of their popularity among preteen girls to adrenarche. Successful male musical groups may owe some of their popularity among preteen girls to adrenarche.
Carbonyl groups reaction type Carbonyl groups reaction type
Animated! Organisms are classified into groups according to their characteristics Animated! Organisms are classified into groups according to their characteristics
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
The eukaryotic cell cycle consists of two parts: (1) interphase and (2) mitosis followed by cytokine The eukaryotic cell cycle consists of two parts: (1) interphase and (2) mitosis followed by cytokine
Video: Bone cells and tissues - tissue composition and cells

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