Nervous System And Hormones Flashcards

1
Q

Sensory area

A

To receive information from the sense organs

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2
Q

Moto area

A

Controls movement

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3
Q

Association area

A

For thinking and memory

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4
Q

Cerebellum

A

It controls the muscles needed for walking cycling running and generally maintaining balance

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5
Q

Medulla oblongata

A

It controls the automatic activities for internal organs

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6
Q

Functions of the spinal cord

A

Relay impulses entering and leaving the central nervous system
Send impulses to and from the brain
Coordinate reflex action

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7
Q

Sensory organ neurones

A

Receive stimuli from sensory neurones
Past the nerve impulse to central nervous system

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8
Q

Motor neurones

A

Receive signals from the central nervous system
Transfers the impulses to muscles or glands which will respond to stimulus

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9
Q

Connect or relay neurones

A

Connect sensory neurones and motor neurones

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10
Q

Synapse

A

Is the small gap between neurones where impulses pass across from one neurone to another new one

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11
Q

Effectors

A

The structure that carries out an action response

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12
Q

Stimulus

A

Is a change in an organism external and internal environment that produces a response

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13
Q

Discuss the functions of the central nervous system

A

It is the centre of coordination when nerve impulse interpreted and coordinated

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14
Q

Reflex action

A

Is an automatic response to stimulus
Example of reflex action
Coughing to clear the windpipe
Trying to keep you warm
Pupil get smaller in bright light and large indoor light help you see
Blinking snoozing heartbeat

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15
Q

Describe the effects of alcohol and drug abuse on the nervous system

A

Drug slows down the transmission of nerve impulse
Alcohol slows down the transmission of nerve impulses causing the person to take a long time to respond to stimuli

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16
Q

How might the respond to a hot object be affected if the person had taken drugs or alcohol

A

The response would be slower

17
Q

State long-term effects that alcohol abuse has on the nervous system

A

Brain damage
The response and kills brain cells

18
Q

Discuss the influence of drug abuse on families and the community

A

Confusion and disorientation

19
Q

Thyroid gland

A

Thyroxin

20
Q

Pancreaze

A

Insulin

21
Q

Ovaries

A

Progesterone and oestrogen

22
Q

Testes

A

Tortoise run

23
Q

Adrenal glands

A

Adrenaline

24
Q

Pituitary gland

A

Growth hormones antidiuretic hormones

25
Q

Thyroxin

A

Controls wide range of chemical reactions in the body and promotes growth

26
Q

Testesterone

A

Influences secondary characteristics

27
Q

Adrenaline

A

Papers for action in emergencies

28
Q

Antidiuretic hormones

A

Controls the water balance

29
Q

Growth hormones

A

Controls the growth rate of the body

30
Q

Insulin

A

Controls the level of glucose in blood