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  1. Asked: In:

    Fill in the blanks: Sweat contains water and ___________.

    Chakrabhrit

    Sweat contains water and salt. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/

    Sweat contains water and salt.

    https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/

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  2. Asked: In:

    Fill in the blanks: The main excretory product in human beings is ___________.

    Chakrabhrit

    The main excretory product in human beings is urea. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/

    The main excretory product in human beings is urea.

    https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/

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  3. Asked: In:

    Fill in the blanks: The rhythmic expansion and contraction of the heart is called ___________.

    Chakrabhrit

    The rhythmic expansion and contraction of the heart is called heartbeat. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/

    The rhythmic expansion and contraction of the heart is called heartbeat.

    https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/

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  4. Asked: In:

    Fill in the blanks: Arteries and veins are joined by a network of ___________.

    Chakrabhrit

    Arteries and veins are joined by a network of capillaries. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/

    Arteries and veins are joined by a network of capillaries.

    https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/

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  6. Asked: In:

    Fill in the blanks: Haemoglobin is present in ___________ cells.

    Chakrabhrit

    Haemoglobin is present in red blood cells. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/

    Haemoglobin is present in red blood cells.

    https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/

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