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Science 2nd Yr Christmas Test 2023 > Human Reproduction > Flashcards

Human Reproduction Flashcards

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Biology 101 flashcards
1
Q

What is reproduction

A

Production of new individual

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2
Q

Boy body changes

A

Growth of body hair
Growth spurt
Growth of testes

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3
Q

Parts of male reproductive system (5)

A

Scrotum-sac in which testes are held
Sperm ducts-carry sperm from testes to penis
Penis- allows sperm to pass through to Vaguna
Testes-make sperm
Urethra

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4
Q

Parts of female reproductive system 5

A

Ovaries-produce eggs
Fallopian tube-carry’s egg from ovaries to uterus
Uterus-place baby develops in
Cervix-opening or neck of uterus
Vagina-pens releases sperm into

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5
Q

What us the menstrual cycle

A

Series of changes that take place in human bodies

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6
Q

Menstrual cycle day 1-5

A

Lining of uterus breaks down and passes out of vagina

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7
Q

Menstrual cycle day 6-13

A

New lining develops

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8
Q

Day 14

A

Eggs released (ovulation)

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9
Q

Menstrual cycle 15-28

A

Lining remains in place until cycle starts again

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10
Q

What is fertile period

A

Day famale most likely to become intercourse if she has intercourse

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11
Q

How long do egg+ sperm last

A

Egg-2days
Sperm-5 to 7 days

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12
Q

What is fertilisation

A

Sperm joins with nucleus of an egg
Fertilised egg forms single cell called zygote

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13
Q

Amniotic fluid

A

Protects baby during pregnancy

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14
Q

Functions of placenta

A

Food+oxygen
Waste products transported out

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15
Q

What happens at stage 1 of birth

A

Muscle is uterus contract.contractions cause amnion to burst and water breaks (amnion fluid leaves through vaguna)

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16
Q

What happens at stage 2 of birth

A

Cervix widens contractions cause baby to be pushed hard first through vagina umbilical cord is clamber and later cut and baby take first breath

17
Q

What happens at stage 3 of birth

A

Uterus continues to contract after baby is born contractions push placenta and rest of umbilical cord out of vaguna (afterbirth)

18
Q

What is contraception

A

Artificial methods used to prevent pregnancy preventing fertilisation-avoid intercourse during fertile period artificial ways are condom

19
Q

IVF

A

take egg + sperm from female+male placing in Petri dish leave to fertilise outside of body the place ebroyos into females womb

Science 2nd Yr Christmas Test 2023 (8 decks)

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