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Pulse

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Q: What is The surge of blood in an artery caused by the heart contraction?
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Why is the direction of the wave of contraction in the heart so important?

The direction of the wave of contraction in the heart is important because it decides where the blood reflux will take place. The blood reflux could take place in the atria, or the blood from the heart could be ejected into the pulmonary artery or aorta.


The alternating expansion and contraction of artery walls caused by the contraction and relaxation of the ventricles?

This process is known as the pulse and is the result of the heart pumping blood into the arteries. As the heart contracts (systole), blood is pushed into the arteries causing them to expand. When the heart relaxes (diastole), the arteries recoil back to their original shape, creating a pulse that can be felt in different parts of the body.


Why is the blood in an artery flow faster and at a higher pressure than blood in a vein?

It is because your arteries An artery carries blood away from the heart, to the cells of the body. But your veins the vein carries the blood back to the heart


What is miocardia?

Miocardia is the decreasing heart volume during systolic contraction. The rhythmic contraction of the heart, especially the ventricles, via which the blood is returned/ pushed through the aorta and pulmonary artery after each diostole.


Why is the direction of the wave of contraction so important in the heart?

The direction of the wave of contraction is crucial in the heart because it ensures that blood is efficiently pumped through the chambers and out into the body. This coordinated contraction allows for the synchronized function of the heart muscle, helping to maintain an effective and regular heartbeat. A disruption in the direction of the contraction wave can lead to inefficient pumping of blood and potential heart rhythm abnormalities.


The cells of the heart are supplied with blood via the?

The cells of the heart are supplied with blood through the hearts own artery. The artery that supplies the heart blood is known as the coronary artery.


What type of blood vessels carries blood away from the heart?

Artery


Which artery give oxgyenated blood to heart?

The Coronary Artery supplies the heart with oxygen rish blood.


How can blocking an artery in the heart cause heart damge?

An artery is a pathway for the blood to travel to and from the heart. If the artery is block, the heart cannot release or receive blood, and therefore, causes heart problems.


What is a cardiac artery?

It is an artery sending blood from the heart.


Major artery that supplies the heart to the lungs?

The artery that sends blood from the heart to the lungs is called the pulmonary artery. The pulmonary vein delivers blood back to the heart.


The Alternating expansion and contraction of walls caused by the contraction and and relaxation of the ventricles can be felt by your wrist?

What you feel in your wrist is a pulse. The pulse is caused by the heart pumping blood round your body.