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 contains a chemical called papain. Papain breaks down proteins, carbohydrates, and fats. Thatâs why it works as a meat tenderizer. However, papain is changed by digestive juices, so there is some question about whether it could be effective as a medicine when taken by mouth. Papaya also contains a chemical called carpain.