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What division alone stimulates the lens of the eye?
The parasympathetic division of the autonomic nervous system stimulates the lens of the eye to change shape and accommodate for near vision. This division causes the ciliary muscle to contract, which alters the shape of the lens to focus on nearby objects.
What are the two branches of the autonomic system?
The two integral parts of the autonomic nervous system are the sympathetic nervous system responsible for, "rest and digest" and the parasympathetic nervous system that is responsible for, "fight or flight".
Why is the parasympathetic nervous system important?
autonomic The parasympathetic nervous system is part of the nervous system.
What are the two nervous systems?
parasympathetic and sympathetic nervous systems
Decreasing heart rate is under the control of what nervous division?
The parasympathetic division of the autonomic nervous system is responsible for decreasing heart rate. It releases acetylcholine to slow down the heart's activity.
The function of the autonomic nervous system in male reproduction?
The parasympathetic nervous system stinulates erection and the sympathetic nervous system stimulates ejaculation.
Nicotine stimulates the heart and increases respiration?
Nicotine A. stimulates the heart and increases respiration. B. is a central nervous system depressant. C. increases hunger signals. D. is not easy to develop a tolerance to.
The effects of the sympathetic nervous system are essentially opposite of which nervous system?
The effects of the sympathetic nervous system are essential opposite those of the parasympathetic nervous system. The sympathetic nervous system accelerates functions such as heart rate and breathing and the parasympathetic slows these bodily processes down. The sympathetic also inhibits digestion, whereas the parasympathetic stimulates digestion. The sympathetic nervous system produces "fight-or-flight" reactions, while the parasympathetic functions under relaxed conditions.
What division alone stimulates the lens of the eye?
The parasympathetic division of the autonomic nervous system stimulates the lens of the eye to change shape and accommodate for near vision. This division causes the ciliary muscle to contract, which alters the shape of the lens to focus on nearby objects.
Sympathetic and parasympathetic nervous system's are subdivisions of what nervous system?
The sympathetic and parasympathetic nervous systems are subdivisions of the autonomic nervous system.
How does tobacco effect the nervous system?
Tobacco can lead to lung cancer, heart problem, and other cancers.
What role do the parasympathetic division of the ans play in digestion?
The parasympathetic division of the autonomic nervous system stimulates digestion. It activates salivation, which functions in digestion as the beginning of breaking the food down. It also stimulates the gall bladder to release bile for digestion. Digestion in the small intestine is increased and gastric juice in the stomach is secreted.
What process does the parasympathetic nervous system not stimulate?
The parasympathetic nervous system does not stimulate the fight or flight response.
How would a drug that inhibits the parasympathetic nervous system affect a persons pulse?
It would increase the pulse, providing it acted upon the cardiac conduction system. There are parasympathetic antagonists which act on other parts of the body, such as the bladder; such drugs would not affect the pulse (theoretically).
What does the parasympathetic nervous system stimulate in the micturition reflex?
The parasympathetic nervous system allows the act of micturition. The sympathetic nervous system inhibits it.
Prolonged stress may promote illness by depressing the functioning of the?
the parasympathetic nervous system.
Which nostril is predominantly controlled by the parasympathetic nervous system?
The right nostril is predominantly controlled by the parasympathetic nervous system.
