Chapter 6 - Nervous Coordination Flashcards

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1
Q

Receptors

A

Part of the nervous system, detect stimuli. Found in the sense organs, eyes ears etc.

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2
Q

Motor neurone

A

Carry impulses from the CNS to effector organs, which contract (muscles) or secret if they are glands.

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3
Q

Relay neurone

A

Passes the impulse on after impulse is transmitted to CNS

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4
Q

Synapse

A

Junction between relay and motor neurone, chemicals transmit the impulse across the gap.

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5
Q

Reflex arc

A

The sequence from the receptor to the effector.

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6
Q

Order of reflex actions

A

Stimulus ➡️ receptor➡️ sensory neurone ➡️ motor neurone ➡️ effector ➡️ response

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7
Q

The brain

A

Made of billions of interconnected neurones and receive impulses from sensory neurones all over the body and coordinate the responses.

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8
Q

Cerebral cortex

A

Concerned with consciousness, intelligence, memory and language.

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9
Q

Cerebellum

A

Concerned with coordination of muscular activity.

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10
Q

Medulla

A

Concerned with unconscious activities such as breathing and heartbeat.

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11
Q

Pituitary gland

A

Produces hormones such as adh.

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12
Q

CNS

A

The central nervous system made up of the brain and spinal cord.

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