Your reflcts are unvoluntary, but everything else isn't.
nervous system
neuroblasts
Microglia are the glial cells in the central nervous system that derive from circulating monocytes. These cells act as the main immune cells in the brain and contribute to inflammatory responses and maintenance of brain homeostasis.
The parasympathetic nervous system allows the act of micturition. The sympathetic nervous system inhibits it.
Actions that one can control are governed by the peripheral nervous system and are called voluntary actions. As I am typing this, I am very much in control over the way my fingers move. This is called a voluntary action and as I mentioned before, is under the control of the peripheral nervous system. Actions that an individual cannot control such as the beating of the heart, peristaltic action and reflexes are under the control of the central nervous system and are called involuntary actions.
The endocrine system regulates the body's functions rapidly through the release of hormones into the bloodstream, but the effects are short-lived compared to the nervous system. Hormones act on target organs to elicit specific responses and are quickly broken down or removed from circulation.
The Nervous System.
Act that is directly voluntary.
the autonomous nervous system
Yes, when consumed by man, the narcotics act on the central nervous system. The narcotics acts on the central nervous system that leads to lack of coordination of the various body parts.
Urination is both a voluntary and involuntary process. The act of releasing urine is primarily under voluntary control, allowing us to choose when and where to empty our bladder. However, the reflex to empty the bladder when it becomes full is an involuntary process controlled by the nervous system.
Those that act on the nervous system or receptors.