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Biology Unit 2 KA5-8 > KA1 > Flashcards

KA1 Flashcards

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1
Q

The tested produce what

A

Sperm and Testosterone

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2
Q

Sperm are formed from what

A

Germline cells

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3
Q

Where are sperm are formed in germline cells.

And where are they found.

A

In tiny tubes called seminiferous tubules found in the testes

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4
Q

Where is testosterone produced

A

Interstitial cells

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5
Q

When testosterone is produced by interstitial cells what tissue are they found on

A

In the tissue in between the seminiferous tubules and passes directly into the bloodstream

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6
Q

Prostate Gland and semenal vesicles secrete what

A

Secrete fluids that maintain mobility snd viability of sperm

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7
Q

Sperm duct

A

Transports sperm from the testes to the urethra

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8
Q

Urethra

A

Released sperm and urine

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9
Q

What are ova and where are they produce from

A

•they are produced from female gametes and produced from germline cells in OVARIES

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10
Q

What do Ovaries contain at various stages of development

A

Immature ova (eggs)

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11
Q

Each ovum is surrounded by a follicle, why?
What do they secrete?

A

Protect developing ovum and secretes hormone oestrogen

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12
Q

What happens to the follicle after ovulation

A

Develops into corpus lutem

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13
Q

What does the corpus lutem do

A

Secretes oestrogen, causing change to the uterus to make it more suitable for implantation of fertilised ovum

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14
Q

Ovaries

All in one shampoo bottle

A

Produced ova and oestrogen and proeostrogen

Basically like the balls

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15
Q

Follicle

A

Structure that surrounds and protects the developing ovum

Secrets oestrogen

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16
Q

Corpus lutem

A

Surrounds and protects the developing ovum Secrets proestrogen

17
Q

Endometrium

A

Inner lining of uterus where embryo implants

18
Q

Uterus

A

Where the foetus develops during pregnancy

19
Q

Crevix

A

Muscular ring between vagina and uterus

Secrets cervical mucus important fertility

20
Q

Where are the mature ova released during ovulation

A

Oviduct for fertilisation

21
Q

Where is sperm released

A

Into the vagina and move through the cervix, the uterus snd into the oviduct where they meet an ovum

22
Q

What is fertilisation

A

When the nucleus of a sperm fuses with nucleus of an ovum

23
Q

What is a fertilised ovum called

A

Zygote

Biology Unit 2 KA5-8 (7 decks)

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