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Everyone has one nostril that is larger than the other.

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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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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

How plant cells take up and transform nitrate How plant cells take up and transform nitrate
Erythrocytes (red blood cells) moving through a capillary in single file. Erythrocytes (red blood cells) moving through a capillary in single file.
Some male birds and mammals congregate in communal courting grounds called leks. Some male birds and mammals congregate in communal courting grounds called leks.
Transfection in Eukaryotic Cells p1 Transfection in Eukaryotic Cells p1
Hormones and their target cells. Hormones and their target cells.
Meiosis involves two complete divisional operations forming four potential sex cells. Meiosis involves two complete divisional operations forming four potential sex cells.
Video: Lipid catabolism - lipolysis and beta oxidation and oxidation of fatty acids

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