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The amount of blood ejected from the heart with each contraction is called?
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∙ 12y ago
The amount of blood ejected from the heart per minute is called
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∙ 10y ago
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∙ 6y agostroke volume
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∙ 14y agoCardiac output. on average ~5.1L / min
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∙ 12y agoStroke volume
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∙ 12y agoCardiac output
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∙ 11y ago70 mL
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∙ 14y ago2
Anonymous
i dont fuckking know
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Contraction of the smooth muscle in arterioles would decrease blood pressure?
No it would increase BP, as contraction of the smooth muscle in the arterioles will make the lumen (holes) of the arterioles smaller, restricting blood flow.
Is the heart always pumping blood when pressure in the left ventricle is rising?
No when pressure in the left ventricle first rises, the heart is contracting but no blood is leaving the heart. During this initial phase of contraction, bother the AV valves and the semilunar valves are closed. The increase in the pressure is the result of increased tension as the cardiac muscle contracts. When the pressure in the ventricle exceeds the pressure in the aorta, the aortic semilunar valves are forced open, and blood is rapidly ejected from the ventricle.
What is the most important hormone that regulates the amount of calcium in the blood and is released when blood calcium levels drop?
The hormone is called as parathyroid hormone. It is secreted by the parathyroid glands.
The amount of ADH that is secreted varies with?
The amount of ADH secreted varies with blood osmotic pressure and blood volume.
What three things help push blood through the veins?
contraction of muscle, larger veins in your body, breathing movements
The volume of blood ejected from each ventricle during a contraction is called the?
is the stroke volume
What is the amount of blood ejected from the heart in one minute called?
The amount of blood ejected from the heart with each beat is called the "stroke volume".
When is blood ejected from the ventricles?
during the systole phase of the heart contraction.
How much blood is ejected per contraction from each ventricle?
2
What is the amount of blood ejected by the ventricle prior to the systole called?
Your answer is EDS - End Diastole Volume Keep in mind, there is a period of isovolumic contraction which is the first part of systole and during that phase no blood is actually ejected because the pressure in the ventricle hasn't exceeded the pressure in the aorta (I'm assuming we're talking about the left ventricle)
How much blood is ejected per contraction from each ventricle in mls?
70 mls
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.
Why is the direction of the wave of contraction so important in the heart?
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.
When is blood ejected from the heart?
Blood is ejected from the heart during systole.
What is the term for the amount of blood pumped in a single contraction?
Cardiac Volume
What is the stroke volume if ESV is 50 ml and the EDV is 120 ml?
70ml. It is just the difference. The stroke volume is the amount of blood pumped per contraction of the heart muscles (systole). End Diastolic Volume is the amount of blood in the heart just prior to contraction. End Systolic Volume is the amount of blood left in your heart after contraction.
What is stroke volume?
Stroke volume is the volume of blood pumped by the right/left ventricle of the heart in one contraction. its the volume ejected per beat from each ventricle, equal end-diastolic volume minus end systolic volume: SV=EDV-ESV
