The Human Body: A Lean Mean Exercise Machine

The Human Body: A Lean Mean Exercise Machine

The Heart - Teachers Notes

Dr Louise Robson

Department of Biomedical Science

University of Sheffield

[-- Image: graphics1 --]

Typical Heart Rate Experimental Data

The following experimental data was collected from a group of children, both boys and girls, between the ages of nine and eleven. The data has been provided for you to use in your teaching, so please feel to use it to help your class understand how the heart works. I have also shown the types of analysis that you can carry out and the graphs that you can plot with your own experimental data.

Heart rate variation

If you measure the heart rate of all the ...

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order. This is the type of data that you would expect to get with your class.

The first question to ask is what can the data tell us? Well, in its current form not all that much. About the only thing you can do is calculate the mean heart rate. For these data it is 87 beats per minute. What you can do, however, is re-arrange the data so that the heart rates values are in order. If the children input the data into a spreadsheet on the computer this should be relatively easy. Table 2 shows the same data, but with the heart rate values in ascending order. Now the data can tell us how the heart rate values vary. You can get the children to count up the number of children with a heart rate value in a given range, e.g. 80 to 89 beats per minute. If they do this for a number of ranges then this will give you an idea of the variability in heart rate. Next to table 2 I have written some appropriate ranges and counted the number of children in each. You can see that the greatest ...

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exercise?

Table 1: Resting heart rates

Name

HR (bpm)

Alex

82

Mark

84

Anne

98

Tom

112

Christine

97

James

93

Holly

91

Richard

87

Douglas

112

Edward

87

Claire

79

Sumayer

80

David

72

Henry

57

Seamus

94

Hope

89

Jacqueline

89

Michael

74

Rosie

80

John

72

Katheryn

82

Laura

68

Mark

104

Emma

91

Megan

60

Alistair

104

Patrick

110

Lougie

85

Rebecca

82

Anthony

108

Rosanna

79

Ciaran

95

Ryan

96

Sarah

77

Jamie

88

Siobhan

83

Thomas

84

Rachel

79

Table 2: Heart rates in ...

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Added: 11/15/2018 10:07:27 PM
Submitted By: jayden12awes
Category: Health & Medicine
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