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Biology 9 Online
OpenStudy (anonymous):

Describe the functions of the three types of blood vessels.

OpenStudy (sreekar369):

arteries ,veins,cappilaries are three types of blood vessels.arteries are thick walled which carry oxygenated blood(except pulmonary artery).veins are thin walled which carry deoxygenated blood(except pulmonary vein).capillaries is the connection between arteries and veins

OpenStudy (sreekar369):

@molliehanna

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