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Posted by Anjali Gawade 5 years, 4 months ago (9105330)
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Yogita Ingle 5 years, 4 months ago (2577571)
The nervous system or the neural system is a complex network of neurons specialized to carry messages. The complexity of the nervous system increases as we move towards higher animals.
For instance, cnidarians such as jellyfish have relatively simple nerve nets spread throughout their body. Crabs have a more complicated nervous system in the form of 2 nerve centers called dorsal ganglion and ventral ganglion.
As we move further up the ladder, higher organisms such as vertebrates have a developed brain. Moreover, it is one of the most complicated structures in the animal kingdom, containing billions of neurons, all intricately connected.
In the human body, the neural system integrates the activities of organs based on the stimuli, which the neurons detect and transmit. They transmit messages in the form of electrical impulses and convey messages to and from the sense organs. Thus, the nervous coordination involves the participation of the sense organs, nerves, spinal cord, and brain.
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Yogita Ingle 5 years, 4 months ago (2577571)
In 1817, James Mill, a Scottish economist and a political philosopher, published A History of British India in three volumes. He divided Indian history into three periods—Hindu, Muslim and British. It has been argued by many historians that it is not correct to periodise Indian history on the basis of religion of the rulers. For example, when the Hindu kings ruled in ancient India, many religions existed peacefully. The same is also true for mediaeval India. It was not correct to periodise mediaeval India as Muslim History because people belonging to different faiths existed during this time. Such periodisation which was based on the religion of the rulers suggests that the lives, practices and culture of the other people do not matter.
Posted by M. Pranesh 5 years, 4 months ago (8950742)
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Posted by Seema Goyal 5 years, 4 months ago (7571409)
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Yogita Ingle 5 years, 4 months ago (2577571)
Integers: A whole number, from zero to positive or negative infinity is called Integers. I.e. it is a set of numbers which include zero, positive natural numbers and negative natural numbers. It is denoted by letter Z. Z = {…,-2,-1, 0, 1, 2…}
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Posted by Niharika Raj 5 years, 4 months ago (9071661)
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Yogita Ingle 5 years, 4 months ago (2577571)
Zaid Crop: These are crops which are sown between the rabi and kharif crops. Watermelon, muskmelon, cucumber and vegetables are some examples of the zaid crops.
Posted by Niharika Raj 5 years, 4 months ago (9071661)
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Yogita Ingle 5 years, 4 months ago (2577571)
Rabi crops are known as winter crops. They are grown in October or November. The crops are then harvested in spring. These crops require frequent irrigation because these are grown in dry areas. Wheat, gram, barley are some of the rabi crops grown in India.
Examples of Rabi Crops
Following are some of the examples of rabi crops:
- Wheat
- Barley
- Oats
- Pulses
- Mustard
- Linseed
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Somay Mamgain 5 years, 4 months ago (7017094)
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Swagger_Zack_ Knight 5 years, 4 months ago (9182632)
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Yogita Ingle 5 years, 4 months ago (2577571)
Marginal utility refers to additional utility obtained from the consumption of an additional unit of a commodity. To illustrate, if 10th unit yields satisfaction of 100 utils, while 11th unit yields satisfaction of 105 utils, then marginal utility derived from the 11 th unit is 5 utils.
Law of diminishing marginal utility states that as consumption increases, marginal utility tends to decline. It is known as fundamental psychological law.
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Meghna Thapar 5 years, 4 months ago (6237)
If semen gets in the ******, the sperm cells can swim up through the cervix and uterus and into the fallopian tubes, looking for an egg. They have up to 6 days to find an egg before they die. When a sperm cell joins with an egg, it's called fertilization. Fertilization doesn't happen right away. Fertilization happens when a sperm cell successfully meets an egg cell in the fallopian tube. Once fertilization takes place, this newly fertilized cell is called a zygote. From here, the zygote will move down the fallopian tube and into the uterus.
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Somay Mamgain 5 years, 4 months ago (7017094)
3 Thank You