Respuesta :

Just simply blood vessels. 

Answer:

Veins and arteries.

Explanation:

The blood vessels are components of the circulatory system, they carry the blood, nutrients, minerals, oxygen, toxins, though the body. These vessels have a pretty important function because all the body depend on them.

In this cases we are talking about veins and arteries which are present in extremities. Arteries have as a function to carry oxygenated blood from the heart to the body, and veins carry deoxygenated blood back to the heart.

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