Download Fun with heart monitors

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Hyper Hearts!
Fun with heart monitors
By Benjamin Joslin
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Today...
1.
What is the circulatory system?
2.
Where and how to find your own pulse
3.
Experiment with heart monitors
4.
Will music and color change your heart beat?
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The Circulatory System Overview

Moves nutrients, gases, hormones, blood cells
throughout the body

60,000 miles of blood vessels supply the various
tissues of our bodies

The heart is the driving force of the circulatory
system, beating 100,000 times each day

The lungs are responsible for the exchange of O2
and CO2
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Blood

Red blood cells, erythrocytes, transport gases like O2 and CO2

Platelets help clot wounds

White blood cells, leukocytes, are part of the immune system

Fun fact about blood: In the early 19th century, some advertisements
claimed that riding the carousel was good for the circulation of
blood!!!
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The Heart

Heart pumps oxygenated blood to the body and
deoxygenated blood to the lungs
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4 total chambers, 4 valves, 2 electrical nodes
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“Lub-dub” ?
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Healthy Hearts

Heart disease claims 1 life every 34 seconds in the US

Leading cause of death in the US (616,067 in 2009)
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Ways to improve your cardiovascular system:
1.
Exercise once a day
2.
Eat a well-balanced diet
3.
Remain stress free by removing yourself from difficult environments
4.
Stay away from cigarettes, second-hand smoke, and other drugs
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Heart Rate
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Heart rate is number of heart beats per minute
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Measure heart rate at the carotid, radial, or
posterior tibial artery
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Use two fingers and a watch or a pulse meter
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Heart Rate Continued...
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Resting heart rate is the number of beats per minute when
you are at complete rest
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Maximum heart rate is the highest number of beats the heart
can contract in 1 minute
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Maximum heart rate is predicted:
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Boys Maximum heart rate = 226 – Age
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Girls’ Maximum heart rate = 220- Age
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References
Middle School Psychology Experiments,
http://www.ehow.com/list_6635412_middle-schoolpsychology-experiments.html, 01-06-12
Can different music change your heart rate and does it change
by gender?,
http://wiki.answers.com/Q/Can_different_music_effect_your
_heart_rate_and_does_it_change_by_gender, 01-06-12
Heart Rate 101,
http://www.heartmonitors.com/exercisetips/heart_rate_basi
cs.htm, 01-06-12