Alesion made to the reticular formation will result in a cortical eeg pattern of

amber has allowed scientists to study dna that has been preserved over millions of years.

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.