Uterine cycle is part of the menstrual cycle in which changes occur in the reproductve female system in order to prepare female on possible pregnacy. Uterine cycle isdivided into three phases:
Menstrual phase-characterized by the process of menstruation
Proliferative phase-estogen causes the production of new endomethrium layer (thickening of the endomethrium)
Secretory phase-characterized by the production of progesteron which prepares endomethrium for the implementation.
This is an example of acquired mutation in which there is genetic transformation due to external factors such a change of temperature, pollution, radiation etc.
Adrenaline which creates the “fight or flight respond” basically amplifying the function of many of the body’s internal parts to allow someone to escape from a lion.
