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Brain and Behavior > Cells + Structure > Flashcards

Cells + Structure Flashcards

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The Brain flashcards
1
Q

How many Neurons are there in the body?

A

85-96 Billion

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2
Q

What are the 4 zones?

A

Input Zone
Integration Zone
Conduction Zone
Output Zone

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3
Q

What are the 6 types of Neurons?

A

Sensory
Motor
Interneuron
Unipolar
Bipolar Neuron
Multipolar

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4
Q

What is the Soma?

A

Cell Body

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5
Q

Name 3 things the soma does

A

Produces Energy
Synthesises Protein
Ships and Reciveces Neurotransmitters
Integrates incoming messages

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6
Q

Where is the Nuecleus found?

A

Soma/Cell body

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7
Q

What are the 4 main structures in the Cell Body?

A

Nucleus
Mitochondria
Ribosomes
Golgi Apparatus

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8
Q

What connects the axon to the cell body?

A

The Axon Hillock

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9
Q

What extends throughout the cell body and keeps it in proper shape?

A

Microtubles

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9
Q

The Axon Hillock sends messages as well as works with the ____ to determine outgoing messages.

A

Some/Cell body

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10
Q

Where are the terminal buttons found?

A

The Axon

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11
Q

What is the Myelin?

A

Insulation around the Axon

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12
Q

What can happen if the myelin is missing?

A

This can be a leading part of Degenerative disorders/diseases.

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13
Q

What part of the cell receives messages from other cells?

A

Dendrite

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14
Q

The Dendrite passes messages to ____

A

Soma

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15
Q

What part of the cell has receptors?

A

Dendrite

16
Q

What are the functions of the Cell Membrane?

A

Surrounds and Protects the Cell
The cell’s security (checks incoming and outgoing messages)

17
Q

What are 3 of the structures in the Cell Membrane?

A

Lipid Bilayer
Proteins
Channel
Receptors
Pump
Enzyme

18
Q

The Channels are ____ and the Pump is _____

A

Passive; Energy

19
Q

What is the Synapse?

A

Space between cells

20
Q

What is the Presynaptic Terminal?

A

A specialized region of axons where synaptic vesicles cluster

21
Q

What type of cells support the other cells?

A

Glial Cells

22
Q

What are the Glial Cells?

A

Nerve Glue

23
Q

How many Glial Cells are there?

A

85-145 Billion

24
Q

What is a type of Glial Cells?

A

Astrocytes

25
Q

What do Astrocytes do?

A

Insulate Neurons
Transport Nutrients to Neurons
Remove Waste
Essentially, it builds scar tissue within the brain

Brain and Behavior (4 decks)

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