Answer::: Brain structures called the hypothalamus and pituitary gland control the menstrual cycle. The hypothalamus triggers the pituitary gland to make hormones that trigger the ovaries to make oestrogen and progesterone. ... Disorders of the hypothalamus, pituitary gland or ovaries can affect menstruation, causing amenorrhoea
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Answer:
C.
Explanation:
This is because cellular respiration produces C02, which photosynthesis uses.
Answer:
Protein
Explanation:
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