There are three kinds of blood vessels: arteries, veins, and capillaries. Each of these plays a very specific role in the circulation process. Arteries carry oxygenated blood away from the heart. They're tough on the outside but they contain a smooth interior layer of epithelial cells that allows blood to flow easily.
Answer:
It slows brain and body reactions and it can cause liver failure.
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Answer:
I think it is, A friend invites a teen to a party where there are drugs.
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Answer:
Dog walking for 7 hours
Car wash for 10 hours
Explanation:
One way Mark could make the desired amount of money is working as a car wash attendant for 10 hours, which will get him $40, and then working as a dog-walker for 7 hours, getting him to a total of exactly $75, while still working only 17 hours per week.
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