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Biology > B5- Homeostasis and response > Flashcards

B5- Homeostasis and response Flashcards

1
Q

What is Homeostasis?

A

Maintaining a stable internal environment

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2
Q

What does denature mean?

A

Too hot

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3
Q

What does dormant mean?

A

Too cold

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4
Q

What is the central nervous system?

A

Connected to the body by sensory and motor neurones

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5
Q

What do sensory neurones do?

A

Send electrical impulses from receptor to brain.

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6
Q

What do motor neurones do?

A

Send electrical impulses from brain to effector (muscles and glands)

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7
Q

What is the order of the CNS? Reflex arc?

A

stimulus-receptor-sensory neurone-CNS-motor neurone-effector-response

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8
Q

What is a synapse?

A

A synapse is the connection between the neurones. The nerve signal is transferred by chemicals which diffuse across the gap.

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9
Q

What are reflexes?

A

Rapid automatic responses

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10
Q

What is a neurone?

A

Specialised cells that conduct electrical impulses

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11
Q

Types of receptors?

A

Smell,sound,taste,touch,pressure,temperature

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12
Q

What is a somatic nerve?

A

Make up the part of the nerves system we cannot control

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13
Q

What is a autonomic nerve?

A

Make up the part of the nerves system we can control

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14
Q

What do stimulants do?

A

Decrease reaction time

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15
Q

What causes type 1 diabetes?

A

Genetic or infection

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16
Q

What causes type 2 diabetes?

A

Obesity, too much sugar, over 40

17
Q

how can type 1 be controlled?

A

Insulin injections

18
Q

how can type 2 be controlled

A

eat less sugar, carb-count or exercise

19
Q

Where is FSH produced?

A

In the pituitary gland (FSH)

20
Q

What does FSH do?

A

causes egg to mature

21
Q

What does FSH stimulate?

A

Stimulates Ovaries to produce oestrogen

22
Q

Where is oestrogen produced?

A

Produced in ovaries

23
Q

What does oestrogen stimulate and inhabit?

A

Stimulates release of LH and inhabits release of FSH

24
Q

Where is LH produced?

A

In pituitary gland (LH)

25
Q

What does LH stimulate?

A

release of egg day 14

26
Q

Where is progesterone produced?

A

Produced in ovaries (progesterone)

27
Q

What does progesterone do?

A

Maintains lining of uterus for 2nd half of cycle

28
Q

What does progesterone inhabit?

A

Inhabits LH and FSH

29
Q

Name some types of contraception

A

Injection, pill, implant, condom, patch, etc

Biology (2 decks)

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