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Biology > Unit 2 nervous control > Flashcards

Unit 2 nervous control Flashcards

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1
Q

Response to stimulus

A

Rapid action form muscle

Slower response from gland

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2
Q

Nervous system

A

Consists on central nvrouse system and other nerves

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3
Q

CNS

A

Brain
Spinal chord
Sorts out stimuli received from sense organs and sens electrical impulses along. Nerves to effectors

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4
Q

Parts of the brain

A

Cerebrum
Cerebellum
Medulla

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5
Q

Cerebellum

A

Controls balance ade coordinated movement

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6
Q

Cerebrum

A

Responsible for conscious thoughts, reasonaning, memory and emotions

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7
Q

Medulla

A

Controls heart rate, brathing rate and peristalsis

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8
Q

Electrical impulses carry

A

Meaasages along to Neurons

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9
Q

Chemicals transfer

A

Messages between neuron at synapses

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10
Q

Types of neurons

A

Sensory
Inter
Motor

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11
Q

Receptors

A

Detect sensory stimuli

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12
Q

Sensory Neurons

A

Pass information to CNS

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13
Q

inter neuron

A

Operate within CNS, which processes information from the senses that requir response

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14
Q

Motor neuron

A

Enables a response to occur at an effector

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15
Q

Equation for neurons

A

Receptor( IN SENSE ORGANS) - sensory neuron - inter neuron - motor neuron - effecter (muscle to gland)

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16
Q

Reflex arc

A

All the neurons connected together by sensory and axon fibres

17
Q

Reflex

A

Protects body from harm.

18
Q

Synapes

A

Tiny space between axon and sensory fibre

19
Q

Reflex action

A

Tramission of nerve impulses through a reflex arc

20
Q

What is the nervous system made of

A

Neurons

21
Q

Relay neurons

A

Pass electrical impulses to motor neurons

22
Q

What happens to electrical signals when reaching synpase

A

Trasmitter molecules are released into gap at synapse, effectors of the next neuron are effected, electrical impulses move on

Biology (24 decks)

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