1. Heart Rate RIP By: Grade 3 Student - Darcy

2. Observation I feel my heart beating O I feel my heart beating O I heard the car. O I heard the car. O I could hear Ms. Dois shoe O I could hear Ms. Dois shoe O I saw trees O I saw trees O I heard talking O I heard talking O My heart was pumping fast S My heart was pumping fast S Jaxon Was starring O Jaxon Was starring O My heart beat 40 times O My heart beat 40 times O Emma was touching her neck O Emma was touching her neck O I saw a pencil sharpener O I saw a pencil sharpener O My heart beat 109 times O My 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 O I saw my blood vessel O O = Objective Observation S = Subjective Observation

3. Research Question How come your heart beat can be felt in those 3 places? How come your heart beat can be felt in those 3 places? Where does your heart beat the hardest? Where does your heart beat the hardest? Can you feel your heart beat in your hips or below? Can you feel your heart beat in your hips or below? Why can you feel your heart beat in your legs sometimes? Why can you feel your heart beat in your legs sometimes? Is your heart beat from your neck the same as your wrist? Is your heart beat from your neck the same as your wrist?

4. Background Information Your pulse can be found at the neck (carotid) and wrist (radial). Your pulse can be found at the 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 close Valves open and close

5. Hypothesis If … then … because… If I take my wrist pulse and my neck pulse then it should be the same because the heart pumps blood in a circle and we have only one heart

6. Subjects 3 rd graders 3 rd graders Ms. Doi Ms. Doi

7. Materials Our bodies Our bodies

8. Procedure Find your neck pulse Find your neck pulse Count your pulse for 1 minute Count your pulse for 1 minute Record your heart beat Record your heart beat Find your wrist pulse Find your wrist pulse Count your wrist pulse for 1 minute Count your wrist pulse for 1 minute Do it again 3 times Do it again 3 times Calculate averages Calculate averages Calculate class averages Calculate class averages Graph results Graph results

9. Results Class chart Class chart Class graph Class graph The graphs shows that there is a difference,but when you put the error bars there is no difference. The graphs shows that there is a difference,but when you put the error bars there is no difference.

10. Discussion and Conclusion Our hypothesis was: Our hypothesis was: If you take your wrist pulse and your neck pulse then it will be the same because the heart pumps blood in a circle and we only have 1 heart. If you take your wrist pulse and your neck pulse then it will be the same because the heart pumps blood in a circle and we only have 1 heart. Our results show that there is no difference between our carotid and radial pulse. Our results show that there is no difference 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 people that are sick or elderly. Doctors can use this information to help people that are sick or elderly. They can see if people are healthy They can see if people are healthy

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