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Biology > Reproduction > Flashcards

Reproduction Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

What can reproduction be

A

Asexual or sexual

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2
Q

What is a zygote

A

The fertilised egg cell

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3
Q

Label the side and front views of the man and woman

A
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4
Q

Describe the functions of male and female reproductive systems

A
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5
Q

Draw and label egg and sperm cell and describe functions

A
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6
Q

What is puberty

A

The physical and emotional changes that take place during adolescence in boys and girls

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7
Q

What are the female hormone

A

Oestrogen

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8
Q

What is the male hormone

A

Testosterone form testes

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9
Q

What is the typical age for puberty

A

Adolescence

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10
Q

What is ovulation

A

Release it of an egg cell and it happens on day 14 of the cycle

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11
Q

What does fertilisation result in

A

Pregnancy if the zygote implants into the uterus lining

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12
Q

Describe the journey of a sperm cell to the oviduct

A

It swims up the cervix, up the uterus, and into the oviduct

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13
Q

When does pregnancy result

A

When the zygote implants itself into the lining of the uterus

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14
Q

What are the two types of twins and how are they made

A

Identical - one egg one sperm
Non identical- two eggs and two sperms

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15
Q

What happens to the zygote in the uterus

A

a zygote divides it forms an embryo, and that as it continues to grow and when cells start to become specialized, with arms and legs visible, it is called a fetus.

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16
Q

what is the function of the placenta

A

where mothers blood and babys blood flow next to one another
exchenge of stuff by diffusion
provides nutrients that help baby grow
removes waste substances

17
Q

what is the function of the amniotic sac/fluid

A

bumps and knocks
sore infections
changes in temperature

18
Q

what is the function of the umbilical cord

A

carries the babys blood vessels
carries blood to and from the placenta

19
Q

the mother has a different circulatory system and the blood doesn’t mix in the placenta it is more like a barrier

A
20
Q

what waste products pass from the baby to the mother

A

co2 and urea

21
Q

what are the other substances that can pass from the mother to the baby

A

oxygen, glucose , antibodies, drugs and alcohol

22
Q

what are the three stages of development

A

zygote, embryo, foetus and baby

23
Q

what are the main stages of birth

A

dilation of the cervix, uterus wall muscle contractions that lead to birth, further contractions that lead to afterbirth

24
Q

what are the secondary characteristics

A

the ones you develop in puberty

25
Q

what is the menstrual cycle

A

1-5 menstuation- lining of uterus is shed
6-13 lining grows back
14 ovulation
15-28 when nothing happens to uterus

26
Q

What is fertilisation

A

fertilisation as fusion of nuclei of sperm and egg cells, which happens in
the oviduct to form a zygot

Biology (3 decks)

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