Nerves Flashcards

1
Q

What does the sensory nerve do?

A

CARRIES ELECTRICAL IMPULSES FROM THE SENSORY ORGAN TO THE CNS

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2
Q

What carries electrical impulses from the sensory organ to the CNS?

A

The sensory nerve

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3
Q

What does the relay neuron do?

A

Connects the sensory and motor neurone

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4
Q

What connects the sensory and motor neurons?

A

The RELAY neuron

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5
Q

What does the motor neuron do?

A

Travels from the CNS to a muscle of gland

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6
Q

What travels from the CNS to a muscle or gland?

A

Motor neuron

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7
Q

What are nerve impulses?

A

Electrical signals which are passed from neuron to neuron

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8
Q

What is the stimulus?

A

The information that triggers a nerve impulse

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9
Q

What is the response?

A

When the muscles contract

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10
Q

What are synapse?

A

Tiny gaps between neurons

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11
Q

What do the synapse do?

A

Chemicals are released to trigger an impulse in the next neuron

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12
Q

What is homeostasis?

A

Maintenance of a constant environment in our bodies for
Water
Temperature
Sugar levels

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13
Q

What are the three types of nerves?

A

Sensory, relay, motor

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