A progesterone blood test is performed to discover how much of the progesterone hormone is in a sample of blood. This female hormone is produced whenever a mature egg is released from an ovary after a process generally known as ovulation. This hormone helps you to prepare the endometrium (uterine lining) to just accept the egg if sperm fertilizes it. If the egg goes without having to be fertilized, menstrual bleeding occurs and progesterone levels drop. One from the major human activities that leads for the irreversible biodiversity loss may be the overexploitation of certain animals. This occurs once the human destruction or using a species outpaces that species' ability to reproduce. This often occurs certain organisms are highly prized by humans, which could be the case with animals and plants whose parts are utilized as medicinal therapies in certain societies. Sadly, three in the Earth's eight type of tiger happen to be extinct. What's worse? The five remaining species are gravely endangered, partly due for the demand for their bones, which can be considered to treat arthritis, and erroneously believed to reverse male impotence. Exploitation also affects plants also including popular wild-grown medicines ' including Echinacea, the normal cold remedy. About the size of a smaller cauliflower, the mind is often a mass of jelly-like fats and tissues weighing approximately 1.4 kilograms. It contains about 100 billion neurons that coordinate our both mental and physical processes, and its divided into four areas - the cerebrum (the biggest part of the brain; it sits near the top of the organ), the cerebellum (sits within the back with the cerebrum and it is the second largest area of the mind), the diencephalon (located within the middle from the cerebrum at the top of the brain stem) and your brain stem (posterior part of mental performance, responsible for many life support processes such as regulating heart rate). Just because society are capable of doing something should it mean we have to? When you view this question in terms of Assisted Reproductive Technology (ART) this question becomes extremely personal due to its religious connotations. It is estimated that 7.3 million women are affected by infertility leaving many to believe that medical research and treatments should help these women fulfill their wants developing a child, yet some religions state otherwise.