Proteins, Lipids, Nucleic Acids, and Carbohydrates.
A vestigial organ is an organ that has no beneficial use to an organism. Ex. Tail bone in Humans
The reproduction system, the digestive system, the immune system.
A vestigial organ is a structure in an organism that has lost most or all of its original function through evolution. An example is the human appendix, which is believed to be a remnant of a larger cecum found in our evolutionary ancestors.
Organ adoptions involve the legal transfer of organs from one person to another for the purpose of transplantation. This process helps individuals who are in need of an organ transplant to receive a donated organ from a willing donor, often to replace a failing organ in the recipient's body. Organ adoptions are regulated by medical authorities and require strict procedures to ensure the safety and efficacy of the transplant procedure.
leaf is an example of organ.
The digestive system.
The Cell Membrane is a structure that forms the outer boundary and allows certain materials move in and out of cell.
the heart is an organ while it is a part of the circulatory system
A specific organ is any organ that you name directly, such as the Brain or a Kidney.
Human skin is an example of an organ because it provides protection for the rest of our body.
an organ
an organ