Organ transplantation is a surgical procedure in which a failing or damaged organ is replaced with a healthy organ from a donor. It is typically performed when other medical interventions have failed or are insufficient to restore the organ's function. Organ transplantation offers hope for patients with end-stage organ failure and can significantly improve their quality of life and survival.

There are several types of organ transplantation:

1. Kidney Transplantation: Kidney transplantation is...

Fish ponds are artificial bodies of water designed and constructed for the purpose of fish farming, also known as aquaculture. There are several types of fish ponds, each with its own characteristics and suitability for different species and farming methods. Here are some common types:

1. Earthen Ponds: Earthen ponds are the most basic and widely used type of fish ponds. They are constructed by excavating a depression in the ground and lining it with clay or synthetic liners to prevent water...

A "surrogate mother" is a woman who, for financial or other reasons, agrees to bear a child for another woman who is incapable to conceive herself.