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ICSE Class X Biology 2023 Papers
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The diagram below depicts the human heart in one of its phases. Answer the questions that follow: 
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Question : 74 of 74
Marks:
+1,
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Distinguish between Systole and Diastole.
Solution:
Systole occurs when the heart contracts to pump blood out, and diastole occur when the heart relaxes after contraction.
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