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Biology > Reproductive system > Flashcards

Reproductive system Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Name the parts of the male reproductive system (9)

A

Cowper glands, prostate, seminal vesicles, sperm duct, urethra, penis, scrotum, epididymis, testes

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2
Q

Function of testis

A

make sperm and testosterone

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3
Q

Function of epididymis

A

store sperm

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4
Q

Function of sperm duct

A

Carries sperm to urethra

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5
Q

Function of penis

A

release sperm

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6
Q

Define semen

A

sperm and seminal fluid

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7
Q

Function of glands

A

Make seminal fluid

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8
Q

How many chromosomes in nucleus of sperm

A

23

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9
Q

Parts of sperm

A

head and nucleus, collar and mitochondria, tail

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10
Q

What does testosterone do

A

Causes primary male sex characteristics in early life, eg: penis
Causes secondary male sex characteristics at puberty

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11
Q

Secondary sexual male characteristics

A

deep voice, facial hair, shoulders widen

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12
Q

Secondary sexual female characteristics

A

breast development, pubic hair, hips widen

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13
Q

Define secondary sexual characteristics

A

features that distinguish males from females apart from sex organs

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14
Q

Infertility

A

inability to produce offspring

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15
Q

Male infertility: cause, due to, treatment

A

caused by poor sperm mobility, poor health, low sperm count
Due to poor lifestyle, smoking, obesity
Treated by weight loss, change of lifestyle

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16
Q

Parts of female reproductive system (6)

A

Ovary, fallopian tube, uterus, lining of uterus, cervix, vagina

17
Q

Function of ovary

A

make eggs

18
Q

Function of fallopian tube

A

fertilisation occurs here

19
Q

Uterus function

A

fetus grows here

20
Q

Lining of uterus

A

prepares for pregnancy

21
Q

Function of cervix

A

sperm deposited here

22
Q

Function of vagina

A

holds penis

23
Q

Female infertility: cause, due to, treatment

A

caused by failure to ovulate
due to ovarian cysts and hormonal disorders
treated by hormones, surgery, IVF

24
Q

Disorder of the female reproductive system

A

Fibroids: benign tumours of uterus

25
Q

Cause, symptoms and treatment of fibroids

A

Cause uncertain, perhaps abnormal response to contraceptive
Symptoms can be none or heavy periods, pain, infertility
No treatment except monitoring or surgery

26
Q

Cycle of events in ovary (4)

A

-20 oocytes in 1 mth, all but one die, divides by meiosis to form egg
-Egg forms graffian follicle
-Egg is released on day 14
-Remains of GF stay and form corpus luteum

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