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Transportation in Plants and Circulation in Animals — Science STD 10 — Question

Tamilnadu BoardEnglish MediumSTD 10ScienceTransportation in Plants and Circulation in Animals1 Mark
Question
What is a pulse?
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Answer

The expansion of the artery every time, the blood is forced into it is called pulse. Normal pulse rate ranges from 70 – 90 per minute.

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