Nervous System

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What is the Nervous System?

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The Nervous System is a complex network of nerves and cells that transmits signals between different parts of the body. It controls both voluntary and involuntary actions.

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What are the two main parts of the Nervous System?

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The two main parts of the Nervous System are the Central Nervous System (CNS), which includes the brain and spinal cord, and the Peripheral Nervous System (PNS), which includes all the nerves outside the CNS.

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What is the function of the Cerebellum?

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The Cerebellum is responsible for coordinating voluntary movements, balance, and posture.

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What does the Cerebrum control?

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The Cerebrum controls thoughts, voluntary actions, and processes sensory information.

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What is the role of the Brainstem?

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The Brainstem controls vital functions such as breathing, heart rate, and blood pressure.

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What is a Neuron?

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A Neuron is a specialized cell that transmits nerve impulses. It consists of a cell body, dendrites, and an axon.

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What is the Myelin Sheath?

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The Myelin Sheath is a protective fatty layer that surrounds the axon of some neurons, speeding up the transmission of electrical signals.

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What are Dendrites?

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Dendrites are the branched extensions of a neuron that receive signals from other neurons.

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What is an Axon?

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An Axon is a long, thin structure that transmits electrical impulses away from the neuron's cell body.

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What is the function of the Spinal Cord?

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The Spinal Cord transmits signals between the brain and the rest of the body and is responsible for reflex actions.