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the phenomenon in which hypoxic (and thus radioresistant) tumor cells become more exposed to oxygen (and thus more radiosensitive) by coming into closer proximity to capillaries after death and loss of other tumor cells due to previous irradiation.

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12y ago

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What are the veins function?

To allow the blood to get back to the heart to be reoxygenated.


What is the function of the superior venacava?

The superior venacava navigates deoxygenated blood back to the heart to get reoxygenated


What are the blood vessels that direct blood to the heart?

Veins - return deoxygenated blood to the heart to be reoxygenated. In contrast to arteries that bring the oxgenated blood from the heart, to the rest of the body for use.


Where do you find oxygen depleted blood?

Oxygen-depleted blood can be found in the veins, as it has already delivered oxygen to the body's tissues and is returning to the heart to be reoxygenated in the lungs.


What brings blood to the lungs for gas exchange?

The heart pumps blood to the lungs to be reoxygenated. Valves in our veins and the muscle contractions of our legs helps bring blood from the lower limbs to the heart.


What is the function the right ventricles?

The right ventricle receives blood that has circulated through the body via the right atria. it then pumps the blood through the pulmonic valve to the lungs where the blood becomes reoxygenated for circulation. :)


Which does not carry oxygenated blood?

All arteries (the red blood vessels) carry oxygenated blood. it's the viens (the blue blood vessels) that don't carry oxygenated blood. However the Pulmonary artery carries Deoxygenated blood to the lungs to be reoxygenated, as it carries blood away from the heart it is called a Artery.


Why does the right side of the heart have deoxyenated blood?

The right side of the heart receives blood which has already been pumped around the body and has had all its oxygen used up. The right side of the heart pumps deoxygenated blood through the lungs where it is reoxygenated.


Why cant you say that arterys carry oxygenated blood?

Because although most arteries do carry oxygenated blood, there is one exception - the pulmonary arteries. These take deoxygenated blood from the heart to the lungs so it can be reoxygenated. It is more accurate to say that arteries carry blood away from the heart.


How does blood move throuhout the body?

Blood is pumped by the heart through arteries to various tissues and organs where oxygen and nutrients are delivered. After circulating through the body, blood returns to the heart through veins to be reoxygenated in the lungs before the cycle starts again.


What send blood from the heart throughout the body?

The heart pumps oxygenated blood to the body through the arteries. These blood vessels branch out into smaller vessels called arterioles and then capillaries, where oxygen and nutrients are exchanged with tissues. Deoxygenated blood returns to the heart through the veins to be reoxygenated.


Why Blood is pumped by the brain?

Veins running back to your heart from your ear! Jk, the Veins flow thru your neck and the blood is reoxygenated to continue its cycle.