How many and if you could list the organs that are approximately 12cm or 12 fingers length?

Question

in medicine, surgery to specify, you will meet special organs of the same or similar length, now its time to know them and learn them. 

Answer 1

12 fingers intenstine is called by it length.

But it is not the only organ that size. Average heart is also  12 sm in length.

Average kidney is 12 sm in length.

Pancreas is 12-15 sm in length.

pharynx is 12-15 sm in length/

Answer 2

The organs that are approximately 12cm (or 12 fingers) in length include the small intestine, the pancreas, the gallbladder, the appendix, the spleen, the liver, and the kidneys.