Shashwati Sarkar: Your Academic Support System

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The water fit for drinking is known as potable water.

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The dendrites present in the cell body of the neuron

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The end terminals of the axon

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The theory of Inheritance of Aquired Characters was proposed by French biologist, Jean Baptiste de Lamarck in 1809.

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Right atrium

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The automatic nervous system or ANS has two divisions: 1. Sympathetic 2. Parasympathetic

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In the chemical methods of preventing pregnancy, the females use two types of pills: oral pills and vaginal pills, which are made of specific drugs. The oral pills contain hormones which stop the ovariesfrom releasing ovum( or eggs) into the oviduct where as the vaginal pills contain the chemicals called spermicides which kill the sperms.

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Surgical method of birth control are available for males as well as females. In males, a small portion of the sperm duct ( or vasa deferens) is removed by surgical operation and both the cut ends ligated properly. The surgical procedure carried out in males is called 'vasectomy'. In females the small portion of the oviduct is removed by sugical operation and the cut ends are ligated. This prevents the ovum from the entering into oviducts. The surgical procedure carried out in females is called 'tubectomy'.

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In barrier methods of preventing pregnancy , the physical devises such as condoms and diaphragm ( or cap) are used. Condoms are used my males and diaphragms ( or caps) are used by females.

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Electrostatic precipitation,scrubbing.