Depot Medroxyprogesterone Acetate (DMPA), known as Depo-Provera, is a long-lasting contraceptive hormone that is 97-99.7% effective in preventing pregnancy. Depo-Provera contains synthetic progesterone and is given by injection, usually in the arm, hip, upper thigh, or abdomen.
Seed is one of the main part of a flower . So it is the future plant .The function of seeds are for the plant to reproduce.The radicle in a seed will become the plants roots.Seeds on a tree are generally inside of some fruit or blossom. When these fruits or flowers grow they can be pollinated by bees or birds or fall and have a chance to grow . Views.
the function of the pollen sac is to produce pollen (pollen grains). The pollen sac is the microsporangium of a seed plant in which pollen is produced. Most plants except coni â¦ ferous plants contain four (4) pollen sacs. The pollen tube of most seed plants acts as a conduit to transport sperm cells from the pollen grain, either from the stigma (in flowering plants or angiosperms) to the â¦ ovules at the base of the pistil, or directly through ovule tissue in some gymnosperms (conifers and gnetophytes).