Reproductive Hormones - Puberty & Menstrual Cycle
This lesson covers:
- What 'puberty' is and which hormones are responsible for it
- The stages and hormones involved in the menstrual cycle
is the period in which adolescents start to develop secondary sexual characteristics.
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The term 'secondary sexual characteristics' refers to the bodily changes that take place during puberty.
Which of the following are secondary sexual characteristics?
(Select all that apply)
More muscle mass
Breast development
Deepening voice
Increase in height
Less body hair
Darker skin
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Which organ is testosterone released from?
Pituitary gland
Adrenal gland
Testes
Ovaries
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Is oestrogen the main sex hormone in males or females?
Males
Females
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Which organ is oestrogen released from?
Pituitary gland
Ovaries
Adrenal gland
Testes
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What is the structure indicated on the diagram above?
Uterus lining
Ovaries
Fallopian tube
Uterus
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What is the structure indicated on the diagram above?
Fallopian tube
Ovaries
Uterus lining
Uterus
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What is the structure indicated on the diagram above?
Uterus lining
Fallopian tubes
Uterus
Ovaries
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What is the structure indicated on the diagram above?
Uterus
Ovaries
Fallopian tube
Uterus lining
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How long does the average menstrual cycle last?
24 days
28 days
32 days
36 days
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The menstrual cycle
The menstrual cycle is a series of steps that prepares the uterus for the implantation of a fertilised egg.
If there is no fertilised egg, then the cycle repeats.
But if there is a fertilised egg, then the cycle will stop and the egg will implant into the uterus lining, where it can develop into a foetus.
What happens in stage one of the menstrual cycle?
Maintenance of uterus lining
Building up of the uterus lining
Period of bleeding as the uterus lining breaks down
Release of the egg from the ovaries
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What is the name of stage one of the menstrual cycle?
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What happens in stage two of the menstrual cycle?
Maintenance of uterus lining
Building up of the uterus lining
Period of bleeding as the uterus lining breaks down
Release of the egg from the ovaries
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What happens in stage three of the menstrual cycle?
Building up of the uterus lining
Maintenance of uterus lining
Release of the egg from the ovaries
Period of bleeding as the uterus lining breaks down
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What is the name of stage three of the menstrual cycle?
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What happens in stage four of the menstrual cycle?
Release of the egg from the ovaries
Period of bleeding as the uterus lining breaks down
Building up of the uterus lining
Maintenance of uterus lining
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What happens after stage four if there is no fertilised egg?
The lining gets thicker
The cycle starts again
The cycle stops
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If a fertilised egg implants into the uterus lining then the menstrual cycle stops and the lining is maintained.
True
False
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Which hormone stimulates the uterus lining to develop?
Luteinising hormone (LH)
Follicle stimulating hormone (FSH)
Oestrogen
Progesterone
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Which organ are both luteinising hormone and follicle stimulating hormone released from?
Testes
Pituitary gland
Adrenal gland
Ovaries
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Which hormone stimulates the egg to be released around day 14 (ovulation)?
Progesterone
Luteinising hormone (LH)
Oestrogen
Follicle stimulating hormone (FSH)
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Which hormone stimulates the egg follicle to mature?
Oestrogen
Progesterone
Follicle stimulating hormone (FSH)
Luteinising hormone (LH)
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Which hormone maintains the lining of the uterus?
Follicle stimulating hormone (FSH)
Luteinising hormone (LH)
Progesterone
Oestrogen
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