Answer:The cardiovascular system consists of the heart, blood vessels, and blood. This system has three main functions: Transport of nutrients, oxygen, and hormones to cells throughout the body and removal of metabolic wastes (carbon dioxide, nitrogenous wastes).
Explanation:i hope that helped
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Your question: What gas found in cigarette smoke and automobile exhaust, blocks the transport of oxygen by hemoglobin in the blood..?
Your answer: Carbon Monoxide is the gas that is found in cigarette smoke and automobile exhaust, blocks the transport of oxygen by hemoglobin in the blood.
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Steroid hormones are synthesized from amino acids. - False.
Option B.
This is because steroid hormones are synthesized from cholestrol.
They are lipid - based hormones.
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- Hannah ❤
Answer:
Volcanic eruptions, there are more but that is all that I know