Zero
None, life is imposible without a nervous system.
nervous system
there are two parts of a nervous system.
The autonomic nervous system is responsible for the control of the functions of the internal organs and it has two divisions. These are the sympathetic nervous system and the parasympathetic nervous system.
The autonomic nervous system is responsible for the control of the functions of the internal organs and it has two divisions. These are the sympathetic nervous system and the parasympathetic nervous system.
There are billions of nerves in the nervous system. The nervous system is responsible for transmitting signals throughout the body.
The nervous system is named that way because it is made up of mostly nerves.
People become nervous because their sympathetic nervous system produces too much adrenaline.
The nervous system regulates the speed at which food moves through the digestive system. It also alerts people of when they are hungry.
The nervous system regulates the speed at which food moves through the digestive system. It also alerts people of when they are hungry.
The nervous system The central nervous system
Nervous System - since brain and the spinal cord are part of it.
No. Nervous System is comprised of the Central Nervous System (CNS) and the Peripheral Nervous System (PNS) The PNS is comprised of the Somatic Nervous System and the Autonomic Nervous System The Autonomic Nervous System is comprised of the Sympathetic Nervous System, the Parasympathetic Nervous System and the Enteric Nervous System