Length of bone decreases due to a reduced rate of by osteoblasts. Consequently, the relative amount of inorganic minerals in the bone matrix . The bones of the skeleton become and susceptable to . Second, bone (loses calcium and other minerals). The bones of the skeleton become thinner and weaker, resulting in insufficient , a condition called .

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.

and after water is usually warmed by the sun the water temperature raises and then evaporates .

protein makes up the building blocks of organs, muscles, skin, hormones and pretty much everything that matters in your body.

some choices are:

peanut butter

seeds

eggs

yogurt

meats

fish

so pretty much meat, dairy, nuts, and grains.