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The diagram given below represents the h...

The diagram given below represents the human heart in one phase of its functional activities. Study the same and answer the questions that follow :

Which part of the heart is contracting in this phase ? Give a reason to support your answer

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Both atria are contracting in this phase because the cuspid valves are open, allowing blood to flow into ventricles.
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ICSE-SAMPLE PAPER 2013-SECTION-II
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  2. The diagram given below represents the human heart in one phase of its...

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  3. The diagram given below represents the human heart in one phase of its...

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  4. The diagram given below represents the human heart in one phase of its...

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  5. Give biological reason for the following: The wall of the ventricle ...

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  6. Give biological reason for the following: The renal cortex has a do...

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  10. The figure given below shows the epidermal cells of an onion bulb. Thi...

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  11. The figure given below shows the epidermal cells of an onion bulb. Thi...

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  12. The figure given below shows the epidermal cells of an onion bulb. Thi...

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  13. The figure given below shows the epidermal cells of an onion bulb. Thi...

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  14. The figure given below shows the epidermal cells of an onion bulb. Thi...

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  15. Briefly explain the Genes

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  16. The given diagram depicts cell plate method of cytokinesis in plant ce...

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  17. Guttation is the result of

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