The correct answers are
a. vaginal ring and
c. oral contraceptives.The vaginal ring is a soft, plastic ring that releases a continuous dose of the hormones oestrogen and progestogen into the bloodstream and prevents pregnancy. Oral contraceptives are also drugs for preventing pregnacy and also contain combinations of the hormones estrogen and progestin )or progestin alone=. Estrogen and progestin inhibit the release of the hormones luteinizing hormone (LH) and follicle stimulating hormone (FSH) which have a role in the ovulation.
Duchenne's muscular dystrophy is an X-linked inherited disease that caused progressive loss of muscle cells. When the muscle cells die, it will be replaced by fat or connective tissue. Typical microscopic changes that can be found microscopically would be the decreased number of muscle cells and the increased number of fat/connective tissue
Supports the bone for movement and produces heat in our body..
Can also be a form of food to carnivores.
C, the distribution process. allows the body to have equal amounts of energy