Which plant is use for pine I am just in grade 5

Pine may also refer to the lumber derived from pine trees

pine is one of the more extensively used types of wood used as lumber.

Explanation:

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.