True or false: Within the stomach, the combination of enzymes and HCl makes the stomach more habitable to pathogens.

chemical because it warmed up which involves temperature and it bubbled which includes changing

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the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.