Conversation so far:
which organ is part of more than one organ system
The ovaries produce hormones, which makes them a part of the endocrine system; the ovaries also make eggs, which makes them a part of the reproductive system as well.
are there any other organs that are part of more than one system
The nose is in both the respiratory system and also is a sensory organ in the nervous system.
what is the function of the nose
Air comes into the body through the nose. As it passes over the specialized cells of the olfactory system, the brain recognizes and identifies smells.
may i have another example of an organ that is part of two systems
The pancreas is a part of two body systems : digestive and endocrine.

Question: who discovered the function
Self-contained rewrite: who discovered the function of the pancreas