The endometrium!
The functional layer of the endometrium thickens in preparation for inception and implantation of the fertilized egg.
Answer:
Reduce the major modifiable risk factors, such as tobacco use, harmful use of alcohol, unhealthy diets, and physical inactivity. Develop and implement effective legal frameworks. Orient health systems through people-centred health care and universal health coverage. Promote high-quality research and development.
It acts as both a stimulant and a sedative.