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Secondary 3 science > Menstrual cycle and puberty > Flashcards

Menstrual cycle and puberty Flashcards

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1
Q

When is the first day of your menstrual cycle?

A

The first day of your period

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2
Q

What happens between day 1-14 of the cycle?

A

A follicle containing a mature egg is developing

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3
Q

What happens around day 14 and why?

A

There is an increase in estrogen because the follicle is growing, causing a spike in LH and reduction of FSH

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4
Q

What does the increase in estrogen around day 14 cause?

A

Causes the follicle to burst, releasing the egg

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5
Q

What are the remains of the follicle called?

A

corpus luteum

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6
Q

What happens if fertilization does not occur?

A

menstruation

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7
Q

What is GRH’s main function?

A

Regulates the secretion of LH and FSH by pituitary

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8
Q

What is FSH’s main function?

A

Stimulate growth of ovarian follicle

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9
Q

What is LH’s main function?

A

Stimulate growth of ovarian follicle and production of the secondary oocyte. Promotes ovulation, development of corpus luteum and secretion of hormones

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10
Q

What is estrogen’s main function?

A

Promotes endometrium

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11
Q

What is progesterone and estrogen’s main function?

A

Maintain endometrium

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12
Q

Mature cells develop from _______ in the embryo. Before birth they develop into ______.

A

Oogonia, primary oocyte

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13
Q

What is the development of a secondary oocyte called?

A

oogenesis

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14
Q

What is a polar body?

A

oogonia that wasn’t fertilized

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15
Q

The development of spermatozoa is called…?

A

spermatogenesis

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16
Q

Spermatogenesis

  1. At what age does it usually start?
  2. What are spermatogonia?
  3. Where are they found?
A
  1. 14
  2. specialized sperm making cells
  3. found in the seminiferous tubules (seminal ducts) of the testes
17
Q
  1. How does sperm cells enter the body?
  2. How long can they live in a female’s body?
  3. Where does fertilization take place?
A
  1. vagina
  2. 3 days
  3. fallopian tubes
18
Q

Define puberty.

A

Puberty is the period in life in which a set of anatomical physiological and psychological changes takes place in children who are becoming adolescents.

19
Q

What triggers puberty?

A

Certain glands produce a larger quantity of hormones linked to the reproductive

20
Q

What are anatomical changes?

A

Change in body shape

Appearance of hair on certain areas of the body

21
Q

What are physiological changes?

A

Maturity of the internal and external reproductive organs

Ability to reproduce

22
Q

What are psychological changes?

A

Search for identity
Confrontation with adults
Sexual interest in another person

23
Q

Define hormonal gland.

A

Produce hormones and secrete them

24
Q

Define hormone.

A

Chemical substances that transmits messages throughout the body

Secondary 3 science (11 decks)

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