Body Co-ordination Flashcards

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1
Q

Digestion

A

Allows food to break down into energy.

Stomach, pancreas, small / large intestines , oesophagus, liver , saliva glands

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2
Q

Central nervous system

A

Control centre - makes decisions

Brain
Spinal chord

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3
Q

Peripheral nervous system

A

All other nerves that aren’t in brain and spinal chord

Takes messages to and from CNS ( carries messages to receptors, and takes instructions to effectors)

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4
Q

Stimulus

A

Deviation from normal state

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5
Q

Receptor

A

Detects change e.g photoreceptors

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6
Q

Effector

A

Causes response

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7
Q

Homeostasis

A

The maintenance of a constant internal environment, despite change external

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8
Q

Dendrites

A

Fibres that receive messages from other neurons

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9
Q

Axon

A

Fibres that send messages

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10
Q

Myelin sheath

A

Fatty tissue around axon that makes messages move faster along axon

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11
Q

Reflex arc

A

Stimulus response pathways that are designed to work quickly

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12
Q

Sensory neurons

A

Attaches to a receptor

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13
Q

Motor neurons

A

Connects to muscles

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14
Q

Inter neurons

A

Connects neurons together

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15
Q

Metabolism

A

Converts the fuel in the food we eat into energy that is used to power everything we do

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