1. South Asia and the Mediterranean regions were among the first places where civilizations spurred. These civilizations started to develop on the basis of agriculture, as the production of enough food was the most important. Once this problem was solved, the people started to specialize and engage into other activities. One of the first activities was to trade goods with the surrounding people. As these civilizations had at disposal certain goods that were highly demanded, they used this in their advantage, and through the trade they managed to gradually get lot of wealth, and that wealth was invested in further development of their societies.
2. Because the people in these two regions managed to obtain wealth through trade, they were able to invest in their societies. This resulted in the formation of larger settlements, cities, which were made in a highly organized and aesthetic manner. As the people had lot of free time in these cities, they were able to engage into other activities, such as the sciences and philosophy. The people started to think about life, the universe, the nature, how and why the things happen. Gradually this had given rise to the first thinkers and philosophers, and as the alphabets were developed, they started to write down their thoughts, thus leaving them for the future generations.
If the sensory neurons in a person's hand could not carry a transmission of a signal, such person will not be able to feel anything that he or she touches.
<h3>What is the significance of sensory neurons?</h3>
Sensory neurons are referred to or considered as such neurons which are helpful in transmission of signals from the sensory organs to the nervous system. Skin is one of the essential sensory neuron present in the hands.
If the hands are not able to transmit signals, then the sensory neurons will not be able to give messages to the nervous system, and as a result, one will not be able to feel anything that he or she touches.
Therefore, the significance of sensory neurons has been aforementioned.
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In some areas of Tibet, Nepal, and India, women can have multiple husbands at once. this practice is known as fraternal polyandry.
Polyandry is a form of polygamy in which a woman is married to two or more husbands at the same time. Polygamy is in contrast to polygamy, which involves one man and her two or more women.
The two most prominent areas where polygamy has been studied and practiced well into the 21st century are the Tibetan Plateau (the area shared by India, Nepal and the Tibetan Autonomous Region of China) and the Marquesas Islands in the South Pacific of Tibet. .
The practice or condition of marrying more than one husband at the same time. Compare polygamy. The habit of animals in which females mate with multiple males during the breeding season.
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