There are many examples of organ systems, including the urinary system, the cardiovascular system, the nervous system, the digestive system, the respiratory system and the reproductive system.
The brain is part of the nervous system, which controls or monitors all of the other organ systems.
The brain is the most important organ of the nervous system. The spinal cord and the brain are the main parts of the nervous system but the spinal cord is not considered to be an organ.
brain
The digestive system.
The nervous system
A specific organ is any organ that you name directly, such as the Brain or a Kidney.
The brain belongs to the Nervous system. It is the only major organ in that system.nervous system
The nervous system.
The brain
HEY.
Brain
The Brain