Biology (9-1) - 0970 CIE

Sex Hormones In Humans

Gbogbo ọrọ náà

At puberty the body rebuilds itself, and the architects are two hormones: testosterone in boys and oestrogen in girls. The same kind of chemical messengers then run a monthly cycle in women that prepares the body for a possible pregnancy, building up the lining of the uterus and then, if no embryo arrives, clearing it away.

In this lesson you will describe what testosterone and oestrogen do at puberty, follow the menstrual cycle as changes in the ovaries and the uterus lining, and (for Extended) name where oestrogen and progesterone are made and explain how FSH, LH, oestrogen and progesterone control the cycle and early pregnancy.

Ebumnobi

  1. Describe the roles of testosterone and oestrogen in the development and regulation of secondary sexual characteristics during puberty
  2. Describe the menstrual cycle in terms of changes in the ovaries and in the lining of the uterus
  3. [Supplement] Describe the sites of production of oestrogen and progesterone in the menstrual cycle and in pregnancy
  4. [Supplement] Explain the role of hormones in controlling the menstrual cycle and pregnancy, limited to FSH, LH, progesterone and oestrogen

Akọmọ Ojú-ẹkọ

Sex hormones explain the changes of adolescence and underlie fertility, contraception and pregnancy. The menstrual cycle is a classic example of hormonal control, and the way four hormones rise and fall in sequence is a favourite Extended exam topic that rewards clear cause-and-effect reasoning.

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Ayẹwo Ẹkọ

Ekele diri gi maka imecha ihe karịrị na Sex Hormones In Humans. Ugbu a na ị na-enyochakwa isi echiche na echiche ndị dị mkpa, ọ bụ oge iji nwalee ihe ị ma. Ngwa a na-enye ụdị ajụjụ ọmụmụ dị iche iche emebere iji kwado nghọta gị wee nyere gị aka ịmata otú ị ghọtara ihe ndị a kụziri.

Ị ga-ahụ ngwakọta nke ụdị ajụjụ dị iche iche, gụnyere ajụjụ chọrọ ịhọrọ otu n’ime ọtụtụ azịza, ajụjụ chọrọ mkpirisi azịza, na ajụjụ ede ede. A na-arụpụta ajụjụ ọ bụla nke ọma iji nwalee akụkụ dị iche iche nke ihe ọmụma gị na nkà nke ịtụgharị uche.

Jiri akụkụ a nke nyocha ka ohere iji kụziere ihe ị matara banyere isiokwu ahụ ma chọpụta ebe ọ bụla ị nwere ike ịchọ ọmụmụ ihe ọzọ. Ekwela ka nsogbu ọ bụla ị na-eche ihu mee ka ị daa mba; kama, lee ha anya dị ka ohere maka ịzụlite onwe gị na imeziwanye.

  1. Which hormone causes the development of female secondary sexual characteristics? A. testosterone B. oestrogen C. insulin D. adrenaline Answer: B
  2. Ovulation in a typical 28-day menstrual cycle occurs at about: A. day 1 B. day 7 C. day 14 D. day 28 Answer: C
  3. During menstruation, what happens in the uterus? A. the lining thickens B. the lining breaks down and is lost C. an egg is released D. an embryo implants Answer: B
  4. Which hormone triggers ovulation? A. FSH B. LH C. progesterone D. testosterone Answer: B
  5. Progesterone in the menstrual cycle is produced by the: A. pituitary gland B. corpus luteum C. uterus lining D. testes Answer: B

Ọ dị na ngwa Green Bridge

Budata ngwa Green Bridge CBT na ekwentị maọbụ kọmputa gị iji nweta akwụkwọ ndụmọdụ zuru oke, ajụjụ mmụta, na ndị ọzọ.

Akwụkwọ ndụmọdụ zuru oke nwere eserese
Onye inyeaka mmụta AI
Mụọ n'ụzọ na-enweghị ịntaneti, oge ọbụla, ebe ọbụla
Ọ dị na Android, Windows, macOS, na Linux

Ọ dị na ngwa Green Bridge

Budata ngwa Green Bridge CBT na ekwentị maọbụ kọmputa gị iji nweta akwụkwọ ndụmọdụ zuru oke, ajụjụ mmụta, na ndị ọzọ.

Akwụkwọ ndụmọdụ zuru oke nwere eserese
Onye inyeaka mmụta AI
Mụọ n'ụzọ na-enweghị ịntaneti, oge ọbụla, ebe ọbụla
Ọ dị na Android, Windows, macOS, na Linux

Meecha Ajụjụ Ule Ọmarịcha

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