nervous Flashcards

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1
Q

What is a neuron?

A

A cell that transports electrical impulses from a stimulus to the brain and back to the body.

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2
Q

What are the types of neurons?

A

Sensory neurons, interneurons, and motor neurons

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3
Q

What are sensory neurons?

A

A neuron that detects stimuli, and creates an electrical impulse which is sent to the central nervous system.

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4
Q

What are interneurons?

A

Interneurons continue signals through the central nervous system.

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5
Q

What are motor neurons?

A

Motor neurons transfer impulses from the central nervous system to the muscles in the peripheral nervous system, and make them move.

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6
Q

What are the types of receptors?

A

Thermo, mechano chemo, photo, pain

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7
Q

What is a photo receptor?

A

A photoreceptor detects light, and allows us to see.

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8
Q

What is a mechanoreceptor?

A

Detects touch, pressure, and vibration. This allows us to feel and hear.

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9
Q

What is a pain receptor

A

Detects damage to cells.

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10
Q

What is a thermoreceptor?

A

Detects temperature.

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11
Q

What is the reflex arc?

A

A pathway in the nervous system, that results in rapid responses that require no conscious thought. This happens to protect the body from harm.

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12
Q

What is the reflex arc?

A

A pathway in the nervous system, that results in rapid responses that require no conscious thought. This happens to protect the body from harm.

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13
Q

What is the central nervous system?

A

The central nervous system is the brain and the spinal chord.

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14
Q

What is the peripheral nervous system?

A

The peripheral nervous system connects the CNS to the rest of the body.

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