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Explain the Term Pulse Rate - Biology

Short Note

Explain the Term
Pulse rate

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Solution

Pulse rate indicates the rate at which the heart beats. Each heartbeat results from the contraction (systole) and relaxation (diastole) of the heart. Both the auricles contract at a time and pour the blood into the main artery (dorsal aorta). The systole and diastole take 0.8 secs., which is 75 beats per minute.

Concept: Blood Pressure
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APPEARS IN

ICSE Class 10 Biology
Chapter 6 The Circulatory System
Explain the Terms | Q 2
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