<span>When a person smokes a cigarette, the body responds immediately to the chemical nicotine in the smoke. Nicotine causes a short-term increase in blood pressure, heart rate, and the flow of blood from the heart. It also causes the arteries to narrow. Carbon monoxide reduces the amount of oxygen the blood can carry. This, combined with the effects produced by nicotine, creates an imbalance in the demand for oxygen by the cells and the amount of oxygen the blood is able to supply.
So the answer is D. increased heart rate</span>
That would be 2 it goes into all those numbers
As teens move through adolescence,
A. Freedom increases, but so does responsibility.
This is because it is the only answer that makes sense. When you become a teenager, your parents give you more freedom, but it is up to you to make sure that you control this new freedom in a responsible way.
The answer isn't B or D, because freedom increases as you grow older; it doesn't decrease as these answer choices suggest.
The answer isn't C, because as teens move through adolescence, their parent's expectations increase as they give them more freedom.
So, the answer is A.
Answer:
A vacuum breaker is an attachment commonly placed on a bibcock valve or toilet or urinal flush valve, that prevents water from being siphoned backward into the public drinking water system. This prevents contamination should the public drinking water system's pressure drop.
Explanation:
