Nervous system
Da Brian
The appendix is a body part. It is part of the body system.
A part of his left lung
The brain and spinal cord comprise the central nervous system.
The body system that the liver is a part of is the digestive system. The liver produces bile, which aids in digestion by emulsifying fats.
skeletal system
Every part of the body is controlled by the nervous system, either directly or indirectly.
The lungs are a part of the pneumatic system in the body. They are responsible for exchanging oxygen and carbon dioxide during breathing.
It is part of the auditory system.While the ear IS part of the auditory system, the auditory system is not an organ system. There are 12 total organ systems in the human body (11 in each set). The ear is part of the Nervous system of the body.
No there is not a skin system in the human body.
Brian felt the hair on the back of his neck go up as part of the fight or flight response triggered by his body's sympathetic nervous system. It could be in response to a perceived threat or danger, causing the body to prepare for action by increasing alertness and sensitivity.
If you mean what body system it's a part of the Digestive System