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प्रश्न
Differentiate between systole and diastole.
अंतर स्पष्ट करें
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उत्तर
Systole: The contraction of the heart is called systole.
Diastole: The relaxation of the heart is called diastole.
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अध्याय 14: Transportation in Plants and Circulation in Animals - Evaluation [पृष्ठ २१५]
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