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Biology > Reproduction in Humans > Flashcards

Reproduction in Humans Flashcards

1
Q

Penis

A

male sex organ which transfers semen to the female

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2
Q

Urethra

A

carries semen from the sperm duct to the tip of the penis

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3
Q

Scrotum

A

Holds the testes

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4
Q

Sperm ducts

A

carries sperm from testicles to the urethra

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5
Q

Prostate gland

A

makes seminal fluids

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6
Q

Ovary

A

contains follicles which develop to ova
produces progesterone and oestrogen

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7
Q

Oviduct

A

Carries the ovum to the uterus

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8
Q

uterus

A

where the foetus develops

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9
Q

cervix

A

strong muscle, moist with mucus and with a small opening

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10
Q

Vagina

A

receives the penis during intercourse
Way out for baby at birth

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11
Q

Flagellum

A

allows sperm to swim through the vagina, uterus and oviduct to reach the egg

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12
Q

mitochondria

A

provides large amounts of energy to sperm to swim

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13
Q

enzymes

A

digestive enzymes used to break a hole in the egg so the sperm can enter into the egg

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14
Q

fertilization

A

fusion of the nuclei from a male gamete (sperm) and the female gamete (egg)

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15
Q

Menstrual cycle

A

development of and release of egg and changes in the lining of the uterus

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16
Q

FSH

A

Follicle stimulation hormone - stimulates follicle development and release of oestrogen hormone
Produced - pituitary gland

17
Q

LH

A

Luteinizing hormone - triggers the release of the eggs from the ovaries (ovulation)

18
Q

Progesterone

A

thickens the uterus lining

19
Q

Oestrogen

A

stimulates the growth of the uterus lining and stimulates the release of LH

20
Q

Mensuration

A

FSH -> Oestrogen ->Oestrogen -> LH -> Oestrogen & Progesterone -> Progesterone / FSH

21
Q

Amniotic sac

A

membrane which is enclosing amniotic fluid, broken at birth

22
Q

amniotic fluid

A

protects the foetus against mechanical shocks, drying out and temperature fluctuations

23
Q

placenta

A

exchanges food, wastes, oxygen between the mother and foetus
physical attachment between the mother and the foetus

24
Q

umbilical cord

A

contains vessels to exchange oxygenated/deoxygenated blood, waste products, oxygen, and food from the placenta to the foetus

25
Q

Viruses

A

rubella -> deafness, congenital heart disease, mental retardation
HIV -> fatal to foetus

26
Q

Pregnancy diet

A

Proteins, Vitamins C& D, Iron, Calcium, Fats

Biology (4 decks)

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