Liver
Yes. The liver is an organ within the digestive system.
The digestive system contains the liver.
No; the liver is part of the digestive system
it should be the liver (part of the excretory system).
The liver is an organ of the digestive system, it produces the chemicals needed for digestion.
the digestive system
The liver has a portal system.
organ system
Although you cannot live without your liver, it is an accessory organ for the digestive system. For the digestive system it makes bile which helps to break down fats.
The primary organ in the hepatic system is the liver. In general, "hepa" means "liver" in science; for example, hepatitis = disease of the liver, hepatocellular carcinoma = liver cancer.
Liver is an organ. It is made up of many different types of tissues which work together in order to function as an organ.