10 minutes maximum! (can you do it in 5?) |
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1-6 The diagram shows the hormones that control the menstrual cycle. Use the diagram to help answer the questions: |
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1. What is happening in X?
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2. Which hormone stimulates the lining of the uterus to build up?
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3. Which hormone stimulates the ovary to make oestrogen?
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4. Which hormone stimulates the release of a mature egg from the ovary?
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5. After ovulation which hormone maintains the lining of the uterus wall?
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6. Which of the following shows 2 statements about oestrogen that are correct?
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7-10: If fertilisation of an egg is successful the embryo formed develops into a foetus which becomes embedded in the lining of the uterus. The foetus develops into the baby which receives nutrients from its mother.
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7. Name structure X.
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8. At X which one of the following substances does not pass from mother to baby?
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9. At X which two waste materials pass from the baby to the mother?
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10. What is the function of Y?
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