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IGCSEBiologyCambridge (CIE)Revision Notes9. Transport in AnimalsCirculatory Systems, Heart & Blood VesselsMonitoring Activity of the Heart

Monitoring Activity of the Heart (Cambridge (CIE) IGCSE Biology)

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Lára Marie McIvor

Written by: Lára Marie McIvor

Reviewed by: Lucy Kirkham

Updated on

Monitoring Activity of the Heart

  • Heart activity can be monitored by using an ECG, measuring pulse rate or listening to the sounds of valves closing using a stethoscope

  • Heart rate (and pulse rate) is measured in beats per minute (bpm)

  • To investigate the effects of exercise on heart rate, record the pulse rate at rest for a minute

  • Immediately after they do some exercise, record the pulse rate every minute until it returns to the resting rate

  • This experiment will show that during exercise the heart rate increases and may take several minutes to return to normal

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    Author
    Reviewer
    Lára Marie McIvor

    Author: Lára Marie McIvor

    Expertise: Biology Lead

    Lára graduated from Oxford University in Biological Sciences and has now been a science tutor working in the UK for several years. Lára has a particular interest in the area of infectious disease and epidemiology, and enjoys creating original educational materials that develop confidence and facilitate learning.

    Lucy Kirkham

    Author: Lucy Kirkham

    Expertise: Head of STEM

    Lucy has been a passionate Maths teacher for over 12 years, teaching maths across the UK and abroad helping to engage, interest and develop confidence in the subject at all levels.Working as a Head of Department and then Director of Maths, Lucy has advised schools and academy trusts in both Scotland and the East Midlands, where her role was to support and coach teachers to improve Maths teaching for all.