Intestines are part of the digestive system.
it belongs to the digestive system
It's an organ. The organ system it belongs to is the digestive system, and it is made up of several types of tissues (epithelial, muscle, etc.), so it can't be a system or tissue in itself.
The cecum belongs to the digestive system. It is a pouch-like structure at the beginning of the large intestine where the small intestine connects to the colon.
The digestive system contains the small intestine. It is a vital organ for nutrient absorption in the body.
The small intestine is part of the gastrointestinal system
The organ system that the pancreas belongs to is endocrine
digestive
the kidney belongs to the osmo-regulation and the excreatory system.
nervous system
nervous system
long system
The digestive system