Papayas grow in tropical climates and are also known as papaws. Initially green and somewhat bitter in taste, papayas are butter-yellow when fully ripe and shaped like a pear. Their pale-orange flesh has dozens of small, black, sticky seeds at the center, similar to a melon. Papaya is rich in anti-oxidants and phytonutrients that work against free radicals and therefore is said to protect the body from possible heart diseases and cancer. Papaya is a great source of vitamin A, B, C, and K and is known as an excellent immunity booster. It is great for the growth of body tissues, including hair and skin.