1. In the cells, glucose breaks down with the help of oxygen into carbon dioxide and water, and energy is released. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-2/

    In the cells, glucose breaks down with the help of oxygen into carbon dioxide and water, and energy is released.

    https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-2/

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  2. Cellulose (a type of carbohydrate) can be digested by ruminants but not by humans because ruminants have a large sac-like structure called rumen between the oesophagus and the small intestine. The cellulose of the food is digested here by the action of certain bacteria which are not present in humanRead more

    Cellulose (a type of carbohydrate) can be digested by ruminants but not by humans because ruminants have a large sac-like structure called rumen between the oesophagus and the small intestine. The cellulose of the food is digested here by the action of certain bacteria which are not present in humans.

    https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-2/

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  3. Liver (the largest gland in human body) secretes bile juice that is stored in a sac called the gall bladder. The bile helps in the digestion of fats. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-2/

    Liver (the largest gland in human body) secretes bile juice that is stored in a sac called the gall bladder.
    The bile helps in the digestion of fats.

    https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-2/

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