Differences between arteries and veins.

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What are 3 differences between arteries and veins that is true for ALL arteries and veins? Answer in point form. Answers must be about different characteristics. (Le. the difference between an elephant and mouse is that one is larger than a car, and the other is smaller than a car is onlyr one markl. Question 22 (2 points} Varicose and spider veins are common problems older adults experience. Explain in detail what causes these