How Does Blood Flow and Pressure Work in the Human Heart?

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Discussion Overview

The discussion centers around the physics of blood flow and pressure in the human heart, focusing on the pressures in the ventricles and atriums, the mechanisms that cause the heart valves to open, and the dynamics of blood flow from the atrium to the ventricle. The context includes both theoretical understanding and practical implications related to a school assignment.

Discussion Character

  • Homework-related
  • Exploratory
  • Technical explanation

Main Points Raised

  • One participant seeks information about the pressures in the heart and the mechanics of blood flow, indicating a foundational understanding of the electrical aspects of the heartbeat.
  • Another participant questions the initial poster about their research efforts, suggesting that they should explore existing information before seeking help.
  • A participant explains that the atrio-ventricular valves open towards the ventricle, allowing blood to flow from the atrium to the ventricle, and they mention the relationship between pressure and volume during ventricular contraction.
  • Links to external resources are shared by another participant, which may provide additional information on the topic of blood flow and pressures in the heart.

Areas of Agreement / Disagreement

The discussion does not present a consensus, as participants express varying levels of engagement and focus on different aspects of the topic. Some participants emphasize the need for independent research, while others provide explanations and resources.

Contextual Notes

There are limitations in the discussion, such as the lack of specific details regarding the pressures involved and the assumptions made about the reader's prior knowledge. The responses also depend on the definitions of terms like "pressure" and "flow," which may not be explicitly clarified.

Who May Find This Useful

This discussion may be useful for students studying human physiology, particularly those interested in the mechanics of the heart and blood circulation, as well as educators looking for insights into common questions and challenges faced by students in this area.

dhbeno
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I have a school assignment about the physics of the human heart, primarily about the pressures in the ventricles and atriums, what causes the valves to open and what makes blood flow from the atrium to the ventricle, what is the pressure and where? I already know how what makes the heart beat (from the electrical point of view) Does anyone know more about this topic? Thank you! :)
 
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Shouldn't you being doing some attempt at research on the topic? If so, what have you already found? Do you find that there is a particular aspect of the workings of the heart from your research that begs a particular question?
 
dhbeno said:
I have a school assignment about the physics of the human heart, primarily about the pressures in the ventricles and atriums, what causes the valves to open and what makes blood flow from the atrium to the ventricle, what is the pressure and where? I already know how what makes the heart beat (from the electrical point of view) Does anyone know more about this topic? Thank you! :)
http://lmgtfy.com/?q=blood+flow+in+the+heart

The valves between atrium and ventricles are called atrio-ventricular valves. They can only open to one side,that is, towards the ventricle side. So when the blood flow from atria to ventricle,the valve is open.When it tries to flow from ventricle to atria,it get's closed. There are thousands of images out there.
Ventricles contract to make pressure. As you know, pressure is inversely proportional to volume. As the volume decreases,pressure increases.
 
Sharing the links which may help you get correct information and you will be able to know about the pressures in the ventricles and atriums, what causes the valves to open and what makes blood flow from the atrium to the ventricle, what is the pressure and where?

http://www.rnceus.com/hemo/bloodflo.htm


Let me know if you have any doubt.

Thanks
 
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