Information travels through axons that are bundled into the cables we call

19. An axon is A) B) C) D) a cell that serves as the basic building block of the nervous system. the cells life-support cent


19) An axon is an extension of a neuron that carries messages away from the cell body. An axon carries information away from the cell body to various muscle, glands, and neurons in the body. Hence option (d) is the correct answer

20) Nerves are bundled axons that connect the central nervous system with various glands and muscles in the body. Hence option (c) is the correct answer.

21) The peripheral nervous system is broadly classified into 2 types such as somatic and autonomous nervous system. Hence option (d) is the correct answer

22) REM Sleep otherwise known as Rapid Eye Movement sleep is also known as paradoxical sleep. This is primarily because our muscles are completely relaxed while our brain and nervous system are fully active which gives us dreams. Hence option c which reads our nervous system is highly active while our voluntary muscles hardly move is the correct answer.

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