You can see the blood vessels outside the hands especially on older people . Are those veins or arteries? How can you confirm your solution

Solution:

Blood vessels you see on the outside of your hand are veins because they look dark red in colour and are placed superficially whereas arteries are placed deeply inside the hand. Veins carry deoxygenated blood from heart to the lungs. They are usually translucent in colour so they look dark red in colour from outside because they carry blood with low oxygen content.

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