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Because veins are closer to the skin.

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15y ago

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Related Questions

Taking blood samples from a central line?

yes


What information is gained from a cardiac catheterization?

This procedure gathers information such as adequacy of blood supply through the coronary arteries, blood pressures, blood flow throughout chambers of the heart, collection of blood samples, and x rays of the heart's ventricles or arteries.


Blood vessel taking blood to lung?

Pulmonary arteries which is the only artery which carries deoxygenated blood.


What carry blood away from the heart'?

Arteries carry oxygenated blood away from the heart.


What would cause blood donation to appear pale instead of dark red Is pale blood more oxygenated?

Yes, but this would be seen in arteries and they do not take blood for donations from arteries.


Why can blood flow freely through arteries?

Arteries are blood vessels taking the blood away from the heart. the heart is a very powerful muscle so blood is ejected out at a high velocity and with high pressure.


Why are the pulmonary arteries and umbilical arteries called arteries instead of blood vessels?

Pulmonary arteries and pulmonary veins are two different items. The pulmonary artery takes deoxygenated blood from the heart and into the lungs so that the blood can be oxygenated. The oxygenated blood then returns to the heart, via the pulmonary veins, in order to be pumped into the system circulation.


Why do the wall of arteries need to be thicker than the wall of veins?

Blood in the arteries is under extremely high pressure as its taking oxygenated blood from our heart.Veins take low pressure unoxygenated blood back to our heart.


What would be an unethical?

taking blood samples from patients for research purpose without consent


Can a company take a urine sample tell you that they are testing for blood sugar and instead test for drugs such as Marijuana?

Yes they can. They can detect lots of other illegal drugs by taking urine samples too.


What are the dangers caused by narrowed arteries?

well I was taking a science test and the answer is heart failure


Blood vessels that carry blood away from the heart are?

Arteries.