The Moon illusion is an optical illusion which causes the Moon to appear larger near the horizon than it does higher up in the sky. It has been known since ancient times and recorded by various cultures. The explanation of this illusion is still debated.
The Liver is a chemical factory is secretes an enormous number of chemicals. We need you to be more specific to be able to help you with a particular liver secretion. Edit
The pancreas, while not an endocrine gland, is part of the body's hormone secreting system. It is responsible for producing insulin and glucagons, both of which help maintain sugar levels in the blood stream and help give the body energy.