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Science 2 > Biology Paper 2 > Flashcards

Biology Paper 2 Flashcards

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Biology 101 flashcards
1
Q

Where is the pituitary gland

A

Brain

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2
Q

Where is the Thyroid gland

A

Neck

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3
Q

Where is the adrenal gland

A

Kidneys

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4
Q

Testes produce…

A

Testosterone

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5
Q

Ovaries produce

A

Oestrogen

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6
Q

Which do each one of these produce

Pancreas
Adrenal gland
Thyroid
Pituitary

A

Pancreas insulin
Adrenal gland adrenaline
Thyroid thyroxine regulating metabolism
Pituitary fsh lh

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7
Q

What Is the cause for type one diabetes

A

The pancreas doesn’t work properly

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8
Q

What is the cause for type two diabetes

A

Cells are insensitive to insulin

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9
Q

What are the symptoms of both types of diabetes

A 
Loss of weight
increased need to urinate 
thirsty 
blurry vision 
 fatigue
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10
Q

What is the treatment for type one diabetes

A

Insulin injections

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11
Q

What is the treatment for type two diabetes

A

Controlling diet and exercise

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12
Q

What is the job of follicle stimulating hormone

A

To have An egg mature in the ovary

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13
Q

What is the job of the luteinising hormone

A

The job is to release the egg/Ovulation

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14
Q

What are the advantages and disadvantages of IVF

A

Advantages:
you get a baby
Disadvantages:
you have to take a large number of drugs for a long time these have horrible side-effects
plus the daily injections which can leave a bruised
There are long consequences IVF can lead you to get cancer
Expensive
Doesn’t always work (40% rate)

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15
Q

What are organic compounds

A

Organic compounds are compounds that have carbon in it

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16
Q

What is the job of oestrogen And progesterone

A

Oestrogen and progesterone are involved in maintaining the uterus lining in case the egg is fertilised and implants

17
Q

What is the process of your period

A

In the first stage FSH is released by the pituitary gland

FSH travels in the blood to the ovaries where it causes an egg to mature

FSH triggers the ovaries to make oestrogen

Oestrogen cause is the lining of the uterus to become thick

Oestrogen also stops the pituitary gland from releasing FSH

Instead the pituitary gland now releases LH

LH triggers ovulation in other words the mature egg is released

Once the ovary has released its egg the ovary now produces the hormone progesterone

This prevents any more eggs from being
Released

Progesterone keeps the lining of the uterus thick in case a fertilised egg implants

If fertilisation does not take place then the level of progesterone Falls

The uterus lining and the egg release and a woman has a period

18
Q

What does progesterone do in the period

A

Progesterone stops the pituitary gland from releasing FSH and LH

Science 2 (3 decks)

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