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Science > Human Reproduction And Geneticts > Flashcards

Human Reproduction And Geneticts Flashcards

1
Q

Ovaries

A

Stirs and réales eggs

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2
Q

Fallopian tube

A

Carry the eggs to the utters ferrtukisatioj occurs here

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3
Q

Uterus

A

Is where the fertilised egg becomes implanted and finds niurisjment

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4
Q

Cervix

A

Leads form vagism to the uterus

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5
Q

Vagina

A

Hoods tu make penis during sexual intercourse

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6
Q

Ovulation

A

An egg is released form the ovary on average of every 28 days

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7
Q

Egg is released

A

On the 13-15 if the menstruel cycle and it passes along the fallopians tube pro the uterus

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8
Q

Period

A

The lining and a small amount of blood pass kit through vagina (day1-5)

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9
Q

Fertile period

A

These are the days if the mestualcycke when the women is most likely ro become oregnant

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10
Q

Menopause

A

Singles the end of a females ability ronreoriduce and also end of her menstualr cycle. It Haines at dufferemt ages. For fdifferent ages for différents people typically in late 40s to early 50s

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11
Q

Testes

A

Produce sperm

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12
Q

Sctorum

A

Is where the testers are it is located outside the bids in ensure the temperature is lower than the body temperature for healthy doerm

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13
Q

Epididymis

A

Is a coiled tube on the outside of each testers that stores sperm and allows them to mature fully

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14
Q

Van defence

A

Bring the doers form the tastes it thebpenis

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15
Q

Seminal vesicles prsstsre grand and coppers

A

Pride seminalnfliud witch mixes with some to from semen it nourish the stern and allow them to swim

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16
Q

Penis

A

Enters the female and ejaculates semen

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17
Q

Puberty

A

Describes when the body starts becoming sexually mature (reproductive organs develop: it normally happens between the ages 10 and 16

18
Q

Male puberty

A

In males sex hormones (testosterone) are réalèses causing the voice to deepen ,hair grows around the sex organs , face , chest and underarms,the testes and le is grow bigger and start to produce sperm

19
Q

Female puberty

A

In females when the sex hornmones (oestrogen and progesterone) and realises the beasts develop , hips widen ,and hair begins to grow on the body
The first egg is réalésée from the ovaries with leads rib ye first period
an egg will be realised every month until the menopause

20
Q

Dur img inter ourse the man’s

A

Penis fills with bloods and becomes hard enigh to be placed inside her ewokebs vagina

21
Q

Semen

A

Is realises into the vagina

22
Q

The sperm swim

A

Up the uterus and into the vallopian tube

23
Q

Fertilisation

A

If an egg is present in the fallopians tube and a couple have sexual intercoyrse Tyne I je if the spermicide cells may fuse wigs it

24
Q

Fertilised egg

A

The nuclei of th sperm and egg fuse together to form a fertilised egg
The women is now pregnant

25
Q

Zygote

A

Egg and sperm fuse to form a single

26
Q

Embryo

A

Cell division occurs and growths

27
Q

Foetus

A

Witvb attacked to the lining if the uterus (implantation)grows more and after 8 weeks looks like a human

28
Q

The average length if a human pregnancy is 40 weeks

A
29
Q

Amniotic fluid

A

As the embryo develops in the uterus it is protected inside a bag of fluid called amniotic fluid

30
Q

Umbilical cord

A

Joins embryo to the placenta

31
Q

Placenta

A

In rich in blood vessels
If is here at the 0lacenra hat food and oxygen from the mothers blood pass into the baby’s blood
Also wastes such as a crab in dioxide pass form the baby’s blood into the mothers

32
Q

Water break

A

And further construction push the baby out usually head first though the vagina

33
Q

Afterbirth

A

The umbilical cord is cut and the placenta (afterbirth) comes out after

34
Q

Lactation

A

The production of breast milk is called lactation

35
Q

Colostrum

A

The first three days of milk is called colostrum very nutritious and helps protect the baby from infection

36
Q

Natural methods of contraception

A

Aim to detect the day ovulation takes place and avoid intercourse duirung the fertile period

37
Q

Artificial methods of contraception

A

Prevent the sperm and egg meeting
An example of this is a condom the vagina
Anther example is the contraception pill witch ovulation
It is important to realise no method is 100% reliable

38
Q

Sexual reproduction (of plants)

A

Invokes tow parent plants
A cell from each combing to produce a seed sucky becomes a new plant
This p,antbu has features of both parents
Eg. Apple dandelions

39
Q

Asexual reproduction (of plants)

A

Invokes only one parent
Cells from thus parent divide and new plany grows fr9n these ce,la
This plany is identical to the plant
Eg. Strawberry potatoes spider plant and buttercup

40
Q

Inheritable charecteristics

A

Many physical characteristics such as eye colour and shape of ears were inherited form hr opens

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