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  • Cancer and Cell Fate in the Intestinal Epithelium

    Cancer and Cell Fate in the Intestinal Epithelium

    Animations

    (2 min 17 sec) Disrupting the normal processes of differentiation and maturation of the intestinal epithelial cells can lead to cancer. Also available in Spanish.

  • Lactose Digestion in Infants

    Lactose Digestion in Infants

    Animations

    (53 sec) The lactase enzyme is produced in the small intestine of infants. It digests lactose by breaking it into glucose and galactose.

  • Leptin Feedback Control System

    Leptin Feedback Control System

    Animations

    (1 min 1 sec) Demonstrates how changes in the amount of fat tissue lead to changes in leptin levels and thus changes in appetite.

  • How a Heart Attack Occurs

    How a Heart Attack Occurs

    Animations

    (37 sec) A 3-D animation that shows how plaques form in a blood vessel, leading to blockage and a heart attack.

  • The Fate of Fat

    The Fate of Fat

    Animations

    (2 min 8 sec) An overview of how dietary fat gets digested, packaged, and sent to various tissues for storage or energy.

  • Body Mass Index (BMI)

    Body Mass Index (BMI)

    Animations

    (1 min 23 sec) Comparison of the change in BMI for a given height and varying weights.

  • PPAR-gamma Activation in the Fat Cell

    PPAR-gamma Activation in the Fat Cell

    Animations

    (2 min 49 sec) The PPAR-gamma receptor activates certain genes in a fat cell, resulting in the storage of fat and changes in hormone levels.