Reproduction
1. This question has 4 part(s).
1.1. Separate: Biology Only
The table gives information about some hormones involved in the menstrual cycle.
Complete the table by giving the missing information.
Hormone | Name of structure that secretes hormone | Functions of hormone |
|---|---|---|
FSH | ________________ | 1. _________________________ 2. Stimulates oestrogen secretion |
__________ | Pituitary | 1. __________________________ 2. Stimulates development of corpus luteum |
__________ | Ovaries | 1. Repairs lining of the uterus 2. Stimulates LH secretion |
Progesterone | ________________ | 1. Maintains lining of the uterus 2. Inhibits LH |
1.2. State what is meant by the term menstruation.
1.3. A girl starts to ovulate at the age of 12 years and continues to ovulate until she reaches the age of 51 years.
[Assume her menstrual cycle is 28 days and she releases one egg per cycle.]
Estimate the maximum number of eggs she could release in her lifetime.
Give your answer to two significant figures.
1.4. Give a reason why a female does not produce as many offspring as the number of eggs she releases.
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