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Living Environment > Reproductive System > Flashcards

Reproductive System Flashcards

1
Q

Asexual reproduction

A

1 parent cell
no sperm or egg
offspring genetically identical to parent

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2
Q

3 types of asexual reproduction

A

binary fission
budding
regeneration

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3
Q

Sexual reproduction

A

Exchange of DNA involved between 2 parents
off springs are mix of parents
variation is an advantage for these species

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4
Q

conjunction

A

exchange of DNA

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5
Q

Ferdilization

A

Joining of sperm and egg or gametes

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6
Q

Gametogenisis

A

Formation of gametes meiotic cell division

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7
Q

male reproductive system

A

bladder
penis
testes
scrotum
urethra
sperm duct
prostate

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8
Q

sperm

A

produced in testes
travels up sperm duct
fluid added (semen)
released through urethra

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9
Q

female reproductive system

A

ovary
uterus
cervix
vagina
urethra
bladder
Fallopian tube

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10
Q

ovary

A

contains and releases eggs

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11
Q

Fallopian tube

A

where fertilization occurs

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12
Q

uterus

A

Site for fetal development

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13
Q

vigina

A

birth cannal

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14
Q

puberty

A

Sex hormones in both male and females are released resulting in secondary sex characteristics developing. Menstruating begins. Age 10-16

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15
Q

Menopause

A

The ceasing of the menstrual cycle. Somewhere around 50 years old

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16
Q

Menstrual cycle duration

A

28 day cycle

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17
Q

Menstrual cycle involved hormones

A

FSH - follicle growth and ovulation, pituitary gland
LH - follicle growth and ovulation, pituitary gland
Progesterone - Lining of the uterus
Estrogen - lining of the uterus and ovulation

18
Q

cleavage

A

mitotic cell division

19
Q

ovulation

A

egg released from follicle into fulpian tube

20
Q

Implantation

A

egg goes into uterine lining

21
Q

Embryonic Development

A

1.) Zygote - fertilized egg
2.) Cleavage - mitotic cell division
3.) Blastula - Hollow ball of cells
4.) Gastrulation - Three germ layers form
5.) Diffrentation - proteins activate some genes to become specilized and form organs

22
Q

Differentiation

A

three layers begin to syntheisze diffrent proteins to activate diffrent genes to form organs

23
Q

Embryo

A

Human offspring (weeks 2-8)

24
Q

Zygote

A

fertilized egg undergoes rapid mitosis

25
Q

Fetus

A

human offspring

26
Q

Placenta

A

where the nutrients coming from the mother’s bloodstream diffuses into the child’s bloodstream

27
Q

Umbilical cord

A

connects the fetus to the placenta

28
Q

cervix

A

dilates through labor to allow delivery

29
Q

Amniotic sac

A

filled with fluid to cushion the fetus

30
Q

Months 1-3

A

Most of the organs are developed. Umbilical cord and sac are formed.

31
Q

Months 4-6

A

tissue are becoming more complex and heart beat can be heard

32
Q

Months 7-9

A

mostly growth and lungs become read for the baby to breath on their own

33
Q

Gestation

A

time it takes for a fetus to fully develop to human (40 weeks)

34
Q

Labor and delivery

A

hormone Oxycontin released which stimulates uterine muscles to contract (labor). Cervix dilates and than the baby is delivered through the vagina.

35
Q

Luteal phase

A

after the egg is released from the ovary, the follicle is turned into the corpus luteum (a big yellow ball of cells) corpus luteam disapears if egg not fertilized

36
Q

polar bodies

A

Small haploid cell formed at the same time as egg cell (female, meiosis)

37
Q

Risk of when mother is smoking while carrining a fetus after birth

A

low birth weight

38
Q

vas deferens

A

Transports semen

39
Q

interior fertilization

A

Sperm fertilizes egg inside the female,
1 egg fertilized

40
Q

exterior fertilization

A

Many eggs fertilized
not inside the female

41
Q

Blastocyst

A

Ball of cells with a fluid-filled cavity inside.

Living Environment (6 decks)

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