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What is the function of the valves in the heart?
What is the function of the valves in the heart?
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Practice Questions
1 question
Q1
What is the function of the valves in the heart?
To increase blood pressure
To prevent backflow of blood
To regulate heart rate
To supply oxygen to the blood
Show Solution
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Heart valves prevent the backflow of blood, ensuring it flows in one direction through the heart chambers.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the function of the valves in the heart?
Solution:
Heart valves prevent the backflow of blood, ensuring it flows in one direction through the heart chambers.
Steps: 5
Show Steps
Step 1: Understand that the heart has four chambers: two atria and two ventricles.
Step 2: Learn that there are four valves in the heart: the tricuspid valve, the pulmonary valve, the mitral valve, and the aortic valve.
Step 3: Know that these valves open and close to control blood flow between the chambers and out of the heart.
Step 4: Realize that the main function of the valves is to prevent blood from flowing backward (backflow).
Step 5: Remember that this ensures blood flows in one direction: from the atria to the ventricles and then out to the body or lungs.
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