Due to chemical changes in the brain during PMS, a women can become extra moody (volatile, even), swollen breasts, bloating, fatigue, cravings for chocolate.
The premenstrual period can affect women both physically and psychologically.
Explanation:
The main cause of PMS is hormonal change during the menstrual period, which interferes with the central nervous system. There seems to be a connection between female sex hormones, endorphins (natural substances linked to the sensation of pleasure) and neurotransmitters such as serotonin. The result is that women begin to have both psychological and physical changes, such as:
Depression; Sadness and desire to cry;
Irritability and anxiety;
Insomnia, excessive hunger or lack of appetite;
Somnolence; Difficulty concentrating and tiredness.
Knowing planes, body positions, directions and such can help people locate areas on the body more easily and precisely. One occupation could be a forensic pathologist who need to identify main points of interest on a body
