Lionel's brother cuts his finger on a saw blade. the cut is deep and bleeding badly. what is the first thing lionel should do? wash the cut with clean water. cover the cut with a clean dressing and apply pressure. raise the cut above the level of his brother's heart. treat for shock.

the pic attached shows the stages of mitosis. hope it !

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.