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प्रश्न
The rhythmic expansion and contraction of the heart is called ______.
रिकाम्या जागा भरा
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उत्तर
The rhythmic expansion and contraction of the heart is called heartbeat.
Explanation:
The heartbeat ensures the continuous flow of blood, delivering oxygen and nutrients to the body while removing waste products.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Transportation in Animals and Plants - Exercises [पृष्ठ ८०]
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