Biology - 0610 CIE

Sex Hormones In Humans

Akopọ

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.

Awọn Afojusun

  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

Akọ̀wé Ẹ̀kọ́

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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Oriire fun ipari ẹkọ lori Sex Hormones In Humans. Ni bayi ti o ti ṣawari naa awọn imọran bọtini ati awọn imọran, o to akoko lati fi imọ rẹ si idanwo. Ẹka yii nfunni ni ọpọlọpọ awọn adaṣe awọn ibeere ti a ṣe lati fun oye rẹ lokun ati ṣe iranlọwọ fun ọ lati ṣe iwọn oye ohun elo naa.

Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.

Lo ise abala yii gege bi anfaani lati mu oye re lori koko-ọrọ naa lagbara ati lati ṣe idanimọ eyikeyi agbegbe ti o le nilo afikun ikẹkọ. Maṣe jẹ ki awọn italaya eyikeyi ti o ba pade da ọ lójú; dipo, wo wọn gẹgẹ bi awọn anfaani fun idagbasoke ati ilọsiwaju.

  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

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Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
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O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
Oluranlọwọ ẹkọ ti AI ṣe agbara rẹ
Kọ ẹkọ laisi intanẹẹti, nigbakugba, nibikibi
O wa lori Android, Windows, macOS, ati Linux

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