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What is the role of the valves in the heart?
What is the role of the valves in the heart?
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Practice Questions
1 question
Q1
What is the role of the valves in the heart?
To increase blood pressure
To prevent backflow of blood
To oxygenate blood
To regulate heart rate
Show Solution
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The valves in the heart prevent the backflow of blood, ensuring it flows in one direction.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the role of the valves in the heart?
Solution:
The valves in the heart prevent the backflow of blood, ensuring it flows in one direction.
Steps: 6
Show Steps
Step 1: Understand that the heart is a pump that moves blood around the body.
Step 2: Learn that blood needs to flow in one direction to be effective.
Step 3: Know that valves are like doors in the heart that open and close.
Step 4: Realize that when the heart pumps, the valves open to let blood through.
Step 5: Understand that when the heart relaxes, the valves close to stop blood from flowing backward.
Step 6: Conclude that the main role of the valves is to prevent backflow and keep blood moving forward.
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