Your kidneys play a very big role in this. Your intestines also suck-up fluid to lube the passage for the breakdown of food. If you have too much fluid in the intestines= loose stool. If you have to little= hard stools.
which organ system regulates body functions by means of electrochemical impulses
The Diaphram regulates the amount of light in the body tube
skin
Liver is the organ, which generates the most heat in the body. Liver has heavy blood supply and is the principle organ of metabolism. So it is the organ which generates the most heat in the body.
Blood.
The blood.
Diaphram
Insulin is the main regulator of blood glucose.
The Urethra carries urine (liquid waste) out of the body
That would be your skin. Your skin is in fact the largest organ of the body, and covers everything internally, and regulates heat.
The body system that secretes hormones is the endocrine system. The organ of the endocrine system that aid in metabolism is the thyroid, which is located behind the trachea.
kidneysThe Pancrease through it's release of insulin into the body to breakdown or "utilize" the sugar.