The correct answer is serotonin.
Serotonin is a neurotransmitter (NT) produced in the human body. It is known as the "happiness" or "feel good" chemical. Many mood altering drugs and illicit substances like hallucinogens, antidepressants and stimulants interact with serotonin in the brain, which in turn alters people's moods, making them feel good and happy while consuming these substances.
The most accurate conclusion concerning age-related changes in taste sensitivity is that D. the ability to detect certain tastes declines gradually, but this varies greatly from taste to taste and person to person.
<h3>What is taste sensitivity?</h3>
It should be noted that taste sensitivity simply means the minimum concentration at which an individual can perceive the quality of test.
Here, the most accurate conclusion concerning age-related changes in taste sensitivity is that the ability to detect certain tastes declines gradually, but this varies greatly from taste to taste and person to person.
Learn more about taste on:
brainly.com/question/342568
#SPJ1
It had been known that American Indians were discovered by a Portuguese conqueror Christopher Columbus. While it was an honor being discovered, it curtailed exchanges of values and traditions where most of the parties weren't that happy. There were lots of disagreement and even fighting.
Enslaved African Americans was excluded from the principle
Unalienable rights means those right that every citizen have right to. These right are stated in the Declaration of Independence which <em>"states all men are created equal, that they are endowed by their Creator with certain unalienable Rights, these are </em><em>Life</em><em>, </em><em>Liberty</em><em> and </em><em>pursuit of Happiness</em><em>".</em>
- During the drafting of the Declaration, the existence of slavery in the country was known, but still, they were not acknowledged in the document.
In conclusion, the enslaved African-Americans were the group of people excluded from principles of unalienable rights in the declaration.
Learn more about Declaration of Independence here
<em>brainly.com/question/4273396</em>
