All of the above is the answer
<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>
When your body develops a tolerance for a medication the body gets used to it being there thus making the medication ineffective.
It also loses the wall of the uterus
A sedentary disease is <span>a type of lifestyle with no or irregular physical activity. A person who lives a </span>sedentary<span> lifestyle may colloquially be known as a couch potato. It is commonly found in both the developed and developing world.</span>
