Heart Rate RIPHeart Rate RIP

By: Grade 3 Student - DarcyBy: Grade 3 Student - Darcy

ObservationObservation

I feel my heart beating O I feel my heart beating O I heard the car. OI heard the car. O I could hear Ms. Doi’s shoe OI could hear Ms. Doi’s shoe O I saw trees OI saw trees O I heard talking OI heard talking O My heart was pumping fast SMy heart was pumping fast S Jaxon Was starring OJaxon Was starring O My heart beat 40 times OMy heart beat 40 times O Emma was touching her neck O Emma was touching her neck O I saw a pencil sharpener OI saw a pencil sharpener O My heart beat 109 times OMy heart beat 109 times O I saw Dylan O I saw Dylan O I put my hand on my chest O I put my hand on my chest O My heart beat 72 times O My heart beat 72 times O I saw my blood vessel OI saw my blood vessel O

O= Objective Observation

S = Subjective Observation

Research QuestionResearch Question

How come your heart beat can be felt How come your heart beat can be felt in those 3 places?in those 3 places?

Where does your heart beat the Where does your heart beat the hardest?hardest?

Can you feel your heart beat in your Can you feel your heart beat in your hips or below?hips or below?

Why can you feel your heart beat in Why can you feel your heart beat in your legs sometimes?your legs sometimes?

Is your heart beat from your neck the Is your heart beat from your neck the same as your wrist?same as your wrist?

Background Background InformationInformation Your pulse can be found at the Your pulse can be found at the

neck (carotid) and wrist (radial).neck (carotid) and wrist (radial). Half of your heart pushes blood out.Half of your heart pushes blood out. The other half sucks blood in.The other half sucks blood in. Blood travels in a circle.Blood travels in a circle. We have one heart.We have one heart. Valves open and closeValves open and close

HypothesisHypothesis

If … then … because…If … then … because… If I take my wrist pulse and my If I take my wrist pulse and my

neck pulse then it should be the neck pulse then it should be the same because the heart pumps same because the heart pumps blood in a circle and we have only blood in a circle and we have only one heartone heart

SubjectsSubjects

33rdrd graders graders Ms. DoiMs. Doi

MaterialsMaterials

Our bodiesOur bodies

ProcedureProcedure

Find your neck pulseFind your neck pulse Count your pulse for 1 minuteCount your pulse for 1 minute Record your heart beat Record your heart beat Find your wrist pulseFind your wrist pulse Count your wrist pulse for 1 minuteCount your wrist pulse for 1 minute Do it again 3 timesDo it again 3 times Calculate averagesCalculate averages Calculate class averagesCalculate class averages Graph resultsGraph results

ResultsResults

Class chartClass chart Class graphClass graph

The graphs The graphs shows that there shows that there is a is a difference ,but difference ,but when you put the when you put the error bars there error bars there is no difference.is no difference.

68.2

68.4

68.6

68.8

69

69.2

69.4

BPM

carotid

radial

Discussion and Discussion and ConclusionConclusion Our hypothesis was:Our hypothesis was: If you take your wrist pulse and your neck If you take your wrist pulse and your neck

pulse then it will be the same because the pulse then it will be the same because the heart pumps blood in a circle and we only heart pumps blood in a circle and we only have 1 heart.have 1 heart.

Our results show that there is no difference Our results show that there is no difference between our carotid and radial pulse.between our carotid and radial pulse.

We keep our hypothesis.We keep our hypothesis. Our carotid and radial pulse are the same.Our carotid and radial pulse are the same. Doctors can use this information to help Doctors can use this information to help

people that are sick or elderly.people that are sick or elderly. They can see if people are healthyThey can see if people are healthy

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