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 endocrine system is a control system of the human body much like the nervous system. The endocrine system produces chemical messages in the form of hormones, whereas the nervous system produces electrical messages.The endocrine system is made up of lots of specialised endocrine glands that secrete hormones into the bloodstream. Some of the major endocrine glands are shown on this diagram.he pituitary gland is known as the âmaster glandâ because its secretions control the activity of other endocrine glands. The activity of the pituitary gland is however controlled by the hypothalamus which as well as being an endocrine gland, is also part of the nervous system.