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
Answers for Critical Thinking Questions. 1  The pancreas secretes protein-digesting enzymes in their inactive forms. If secreted in their active forms, they would self-digest the pancreas. 2  The hepatocytes are the main cell type of the liver. They process, store, and release nutrients into the blood.