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3. what makes each specialized cell like a muscle cell or neuron
different are the __each cell produces allowing for its
identity.(answer in lowercase; no spaces) *

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

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.