Nicotine is a highly addictive substance that is found in tobacco. Chemicals in tobacco are inhaled into the respiratory system when you smoke. This can cause many problems such as lung and throat cancer. Thousands of deaths are recorded in the U.S. related to smoking tobacco.
The correct answer is C. An insufficient amount of circulating cortisol
Explanation:
The main cause of adrenocortical insufficiency is the lack of production and circulation of hormones, especially of cortisol (steroid hormone). Moreover, the lack of cortisol is caused by damages in the adrenal glands. Besides this, this insufficiency leads to conditions such as Addison disease, which is associated with symptoms such as nausea, fatigue, dizziness, and can be life-threatening. According to this, the correct answer is option C considering insufficiency cortisol plays a major role in this condition.
Well, without medical care humans would literally die of so many infections and diseases, we would already be on the brink of extinction. Think of the Ebola outbreak, the black flu, Hiv's. Without the help of medical care, we would not be able to sufficiently prevent sickness.<span />
There are several sphincters that appear along the gastrointestinal tract in the human body. The sphincters are; upper esophageal, lower esophageal, pyloric, ileocaecal, and the inner and outer anal sphincters.
