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human biology unit 2 > gamete production and fertilisation > Flashcards

gamete production and fertilisation Flashcards

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1
Q

What is the function of the penis.

A

to insert sperm into the vagina.

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2
Q

what is the function of the urethra.

A

release sperm and urine

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3
Q

what is the function of the scrotum

A

holds testes

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4
Q

what is the function of the testes

A

produces sperm and testosterone

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5
Q

what is the function of the prostate gland and the seminal vesicles

A

secrete fluid to maintain mobility and viability of sperm

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6
Q

what is the function of the sperm duct

A

transports sperm from the testes to the urethra

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7
Q

what are sperm

A

male gametes

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8
Q

where are sperm cells produced

A

in the seminiferous tubules in the testes

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9
Q

what is the term used that means sperm can swim

A

motile

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10
Q

what produces the liquid that sperm swim in

A

the prostate gland and the seminal vesicles

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11
Q

what is the liquid sperm swims in called

A

seminal fluid

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12
Q

what would happen if the seminal liquid was not the right viscosity

A

the sperm would not be able to swim properly

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13
Q

which hormone do the testes produce

A

testosterone

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14
Q

what cells are testosterone produced in

A

Interstitial cells

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15
Q

what is the function of the vagina

A

where sperm is deposited

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16
Q

what is the cervix

A

lower,narrow portion of the uterus where it joins with the top of the vagina

17
Q

what is the function of the uterus

A

where baby is developed during pregnancy

18
Q

what is the function of the endometrium

A

wall of the uterus where embryo implants

19
Q

what is the function of the oviduct

A

site of fertilisation

20
Q

what is the function of the ovary

A

produces and stores ova/eggs

21
Q

what is each ovum surrounded by

A

each ovum is surrounding by a follicle

22
Q

what does the follicle surrounding an ovum do

A

secretes hormones and protects the developing ova

23
Q

what happens at ovulation

A

ova are released into the oviduct

24
Q

what is a fertilised egg/ova know as

A

a zygote

25
Q

what is fertilisation

A

fertilisation is the fusion of nucleus from the sperm cell with the nucleus from the ova

26
Q

what does the zygote do after fertilisation

A

the zygote begins to multiply into a ball of cells which implants into the endometrium for development

27
Q

what happens to the ova if fertilisation does not occur

A

the unfertilised ova passed out the body

human biology unit 2 (1 decks)

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