Air pressure decreases as you get away from the earths surface
-Sclerosis indicates abnormal hardening. Hope this is what you were looking for!
Answer:
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Explanation:
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Answer:
Blood
Explanation:
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide