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Olenka [21]
3 years ago
5

1 What are the two major divisions of the nerous system

Biology
1 answer:
postnew [5]3 years ago
4 0

Answer:100% SURE PLZZ GIVE BRAINLIEST!!!!!!111

The nervous system consists of two major parts: the central nervous system and the peripheral nervous system.

Explanation:

In vertebrates it consists of two main parts, the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS consists of the brain and spinal cord. The PNS consists mainly of nerves, which are enclosed bundles of the long fibers or axons, that connect the CNS to every other part of the body.

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Law of conservation of mass states that mass can nether be created nor destroyed in a closed system or chemical reaction i.e. the total mass of the matter always remains the same throughout the chemical or physical change.

For example, in the given reaction 3O₂ + 2Al → 2AlO₃ the total mass of the reactants is equal to the total mass of the product.

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Total molecular mass of the product = 2 x 27 + 6 x 8 = 102 AMU.

Hence, the total mass of the matter remains the same.


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