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Revision Cards Y7 > Reproductive systems > Flashcards

Reproductive systems Flashcards

1
Q

What is the fallopian used for

A

It holds the egg whilst it gets ready to be released into the uterus to either be fertilised or leave the body as period

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2
Q

What is the uterus used for

A

It is an organ as well as a muscle used to hold the fertilised egg during a pregnancy

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3
Q

Define implantation

A

The fertilised egg attaches to the lining of the uterus

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5
Q

Define penis

A

It is the male genital organ that helps urine to exit and to reproduce

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6
Q

What is the sperm cells total magnification

A

Picture size(mm) divided magnification (1000)

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7
Q

Define Amnion

A

Is the sac that hold the babyand the amniotic fluid

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9
Q

Define placenta

A

Is an organ attached to the baby which helps to provide nutrients

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11
Q

Define foetus

A

It is the fertilised egg that is attached to the mother via the umbilical cord

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12
Q

Define testes

A

They produce sperm cells and are placed outside of the body

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16
Q

What is the scrotum

A

It is a thin layer of skin used to protect the testes

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17
Q

What is the total magnification of the egg cell

A

Picture size divided (mm) by (500)

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18
Q

Define ejaculation

A

Semen is released from the sperm into the vagina

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19
Q

Define Fertilisation

A

Is the process of when the egg and sperm cell meet/join

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21
Q

What can uterine lining be used for in the reproductive system

A

The fertilised egg implant itself into the lining so it can grow

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23
Q

Define umbilical cord

A

The cord allows food and oxygen to enter the baby and carries waste product and carbon dioxide out of the baby so she can release it

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24
Q

Define embryo

A

It is the fertilised egg that has implanted itself into the uterus lining

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25
Q

Define std

A

It is the sexually transmitted disease which is also a deadly infection

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26
Q

Define contraception

A

Is what is used to prevent a pregnancy

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27
Q

Define Amniotic fluid

A

Is the fluid that helps to protect the baby

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28
Q

Define zygote

A

It is the fertilised egg

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29
Q

Summary: what carries sperm out of the body

A

The penis

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30
Q

What are gametes

A

Is the specific cell that are used in the process of reproduction

31
Q

Define cilia

A

The little hairs that line the uterus

32
Q

What is the vagina

A

It is a reproductive organ the can release the egg, give birth to a baby or urinate out of

39
Q

What is an ovary

A

They produce egg cells

42
Q

What is another name for the Fallopian tube

A

Oviduct

43
Q

Sperm cells

A

Contain male genetic material

44
Q

Sperm duct

A

Tube that carries sperm from testes to urethra

45
Q

Scrotum

A

Bag of skin that hold the testes

46
Q

Semen

A

Fluid containing sperm

47
Q

Testes

A

Produce sperm and male sex hormone

48
Q

Sexual intercourse

A

The process where the penis releases semen into the vagina

49
Q

Urethra

A

Tube that carries urine or sperm out of the body

50
Q

Cervix

A
  • ring of muscle at the entrance of the uterus

- keeps baby in place during pregnancy

51
Q

Male glands

A

-produce nutrients that help to keep sperm alive

52
Q

Erection

A
  • penis swells with blood

- bladder cannot empty at this time

53
Q

Fertilisation

A

Process when the sperm cell joins with the egg cell

54
Q

Implantation

A

Embryo attaches to the uterus lining

55
Q

Gestation

A

Pregnancy

56
Q

Foetus

A

-name given to unborn baby form eight weeks of development

57
Q

Placenta

A
  • organ that passes nutrients from mother to baby

- prevents any harmful substances touching the baby

58
Q

Affects of smoking and drinking alcohol on baby

A
  • smoking = baby being born earlier

- alcohol = damage to baby’s brain

59
Q

Baby’s development :

A
  • 1 week = cells specialise
  • 4 weeks = spine, brain form + heart beats
  • 9 weeks = foetus = tiny movement + eyes etc. from
  • 12 weeks = uses muscles to kick
60
Q

Period

A

Loss of uterus lining through vagina

61
Q

Menstrual cycle

A
  • woman’s monthly cycle
  • uterus lining thickens
  • then breaks down if egg is not fertilised
  • lasts 28 days
62
Q

Ovulation

A

-release of egg from ovary

63
Q

Contraception

A

-method of preventing pregnancy

64
Q

Contraceptive pull

A
  • chemical method of contraception

- contains hormones that stop ovulation

65
Q

Condoms

A
  • barrier method of contraception

- prevents stds

66
Q

Menstrual cycle process

A
  • day 1 = blood from uterus lining leaves
  • day 5 = bleeding stop, lining re grows
  • day. 14 = egg is released from ovary and travels to oviduct
67
Q

Changes of uterus whilst baby develops

A
  • increase in size
  • stretches
  • placenta develops
  • develops amniotic fluid
68
Q

How is the placenta adapter to support baby

A
  • large surface area for diffusion
  • capillaries of baby and mother are very close together for diffusion
  • rich blood supply
69
Q

How can having one blocked oviduct affect chances of pregnancy

A
  • halves chances
  • only one ovum available at a time
  • sperm cannot reach the ovum

Revision Cards Y7 (26 decks)

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