The progesterone and estrogen from the ovarian cycle also control the menstrual cycle: 1  If implantation doesnât occur and the levels of estrogen and progesterone fall, the endometrium sloughs off, and menstrual bleeding begins. 2  As the levels of estrogen begin to rise, the endometrium thickens.
Digestion: Papayas contain an enzyme called papain that aids in digestion and can also be used as a meat tenderizer. Papaya is also high in fiber and water content, both of which help to prevent constipation and promote regularity and a healthy digestive tract. Heart disease: The fiber, potassium and vitamin content in papaya all help to ward off heart disease.
Papaya's seeds are edible, although their peppery flavor is somewhat bitter. The fruit, as well as the other parts of the papaya tree, contain papain, an enzyme that helps digest proteins. This enzyme is especially concentrated in the fruit when it is unripe.Papain is extracted to make digestive enzyme dietary supplements and is also used as an ingredient in some chewing gums.he fruit, as well as the other parts of the papaya tree, contain papain, an enzyme that helps digest proteins. This enzyme is especially concentrated in the fruit when it is unripe. Papain is extracted to make digestive enzyme dietary supplements and is also used as an ingredient in some chewing gums.