Medical reasons for gender selection can also be psychological: a single female may feel better equipped to have a daughter than a son; parents who lost a child may feel a strong need for a child of the same gender.
It is considered that the lining of the stomach is replaced every 5 -10 days due to the highly acidic nature of stomach contents and the need to protect against damage.The process is continual with respect to shedding of cell layers, and there are multiple protective measures to look after the vulnerable surface.t is considered that the lining of the stomach is replaced every 5 -10 days due to the highly acidic nature of stomach contents and the need to protect against damage. The process is continual with respect to shedding of cell layers, and there are multiple protective measures to look after the vulnerable surface.
All the vital organs and tissue regenerate over time. Pancreas regeneration takes 24 hours, the Stomach a weekâ¦, blood is replaced regularly, and the brain creates new connection. It is believed that every cell in your body is replaced in roughly 7 years, and on average human the body is 15 years old.