Nervous Tissue Flashcards

1
Q

Characteristics of nervous tissue

A

Specialized for conducting electrical impulses.

Rapidly senses internal/external environments.

Processes info and controls responses.

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2
Q

Characteristics of central nervous system

A

Carries out sensory, motor, integration of data.

Includes brain and spinal cord

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3
Q

Characteristics of peripheral nervous system

A

Contains sensory receptors that process changes in internal/external environments.

Includes spinal and cranial nerves

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4
Q

What are the two types of neural cells?

A

Neurons and neuroglia (glial cells)

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5
Q

Neurons

A

Nerve cells that communicate with electrical impulses (action potentials)

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6
Q

Neuroglia (glial cells)

A

Supporting cells that repair, protect, and supply nutrients to neurons

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7
Q

What are the three parts of a neuron?

A

Cell body (soma), dendrites, axon

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8
Q

Characteristics of the cell body (soma)

A

Contains the nucleus and nucleolus

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9
Q

Characteristics of dendrites

A

Short branches extending from the cell body (soma).

Receives incoming signals

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10
Q

Characteristics of the axon

A

Long, thin extensions of the cell body.

Carries outgoing electrical signals (action potentials)

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