Human Nervous System Flashcards

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1
Q

What are the three main parts of the brain?

A

Forebrain, Midbrain and Hindbrain

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2
Q

What makes up the central nervous system?

A

Brain and spinal cord

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3
Q

What makes up the peripheral nervous system?

A

Autonomic nervous system and somatic nervous system

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4
Q

What are the two main nervous systems?

A

Central and peripheral systems

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5
Q

What makes up the hindbrain?

A

Medulla oblongata, pons and cerebellum

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6
Q

What makes up the midbrain?

A

Reticular formation and reticular activating system

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7
Q

What makes up the forebrain?

A

Thalamus, hypothalamus and cerebral cortex

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8
Q

What is the medulla oblongata? And where in the brain is it?

A

Controls involuntary functions, e.g. blood pressure. In the hindbrain.

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9
Q

What is the pons? And where in the brain is it?

A

The pons is the message station between the cerebellum and cortex. In the hindbrain

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10
Q

What is the cerebellum? And where in the brain is it?

A

Controls voluntary tasks e.g. walking and running. In the hindbrain

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11
Q

What is the reticular formation? And where in the brain is it?

A

Controls sleep and consciousness. In the midbrain

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12
Q

What is the reticular activating system? And where in the brain is it?

A

Regulates wakefulness and sleep-wake transitions. In the midbrain

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13
Q

What is the thalamus? And where in the brain is it?

A

Gets information from sensors to rest of brain. In the forebrain.

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14
Q

What is the hypothalamus? And where in the brain is it?

A

Controls hunger, thirst and body temperature. In the forebrain

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15
Q

What is the cerebral cortex?

A

Controls thinking and processing information from the senses. In the forebrain

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16
Q

What is the autonomic nervous system?

A

Controls unconscious movement. e.g. heartbeat, breathing

17
Q

What is the somatic nervous system?

A

Controls conscious movement. e.g. walking, reflex actions

18
Q

What are the three types of neurons?

A

Motor neurons, inter neutrons and sensory neurons

19
Q

What is a motor neuron?

A

Nerve cells that send information away from the cns to muscles or glands

20
Q

What is an inter neuron?

A

Nerve cells that send information between sensory neurons and motor neurons

21
Q

What is a sensory neuron?

A

Nerve cells that send information to sensory receptors e.g. skin, eyes, nose, tongue, ears

22
Q

What is a neurotransmitter?

A

A chemical substance that is released at the end of a neuron, when an impulse reaches the end of an axon, and allows for the impulse to be diffused to next axon

23
Q

What are three types of neurotransmitters?

A

Glutamate
Biogenic amines
Acetylcholine

24
Q

What is myelin sheath?

A

Casing around neurons, allows impulses to move faster

25
Q

What is a synapse?

A

The junction between two neutrons, where impulses diffuse

26
Q

What is the role of an axon?

A

To pass messages away from the cell body to other neurons

27
Q

What is the role of the dendrites?

A

To receive messages from other cells