Answer:
b cirulatory system that's the answer
Answer:
Vaccines have been around since 1796 preventing people from diseases and decreasing death rates. I believe due to the modern vaccines and medicine people have been living longer than life expectancies in the 1700's and 1800’s, which was between 30 and 40 years. Vaccines train the human body to recognize viruses or bacteria and the antigens (molecule capable of inducing an immune response) will start attacking the virus or bacteria before it tries to spread and cause sickness once it is has recognized it. However, vaccines are not always 100% safe because they can come with side effects. For example, the Hepatitis B vaccine had a severe allergic reaction, called anaphylaxis which caused difficulty breathing, dizziness, and skin rashes for a few people.
Physical effects of alcohol are felt as early as a blood alcohol concentration of 0.03-0.05%.
<h3>What is Alcohol?</h3>
This is referred to a substance which contains ethanol and is derived from the fermentation of sugars. It has an intoxicating effect and is also regarded as a psychoactive substance.
When consumed by individuals, effects can be felt when the blood concentration is about 0.03-0.05% thereby leading to a reduction in coordination of the body cells etc.
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