This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW SHARON, Iowa -- Three young brothers are dead after a crash in Mahaska County Thursday. The Iowa State Patrol says a truck driven by 41-year-old Shawn Schippers collided with a car driven by 16-year-old Jamie Singletary at the intersection of Queens Avenue and 130th Street, east of New Sharon, around 1:00 p.m. They say both vehicles went into the ditch.
Video: Sympathetic Nervous System: Definition, Function & Effects. The autonomic nervous system is the portion that controls all of the involuntary functions of the body. This includes the body's response to emergency situations. In this article, we discuss the sympathetic nervous system and its responses under these circumstances.
Involuntary Muscles. Involuntary muscles are the muscle that cannot be controlled consciously. Their actions are mainly controlled by the autonomic nervous system in the body. Main types of involuntary muscles are smooth muscles and cardiac muscles.nvoluntary Muscles. Involuntary muscles are the muscle that cannot be controlled consciously. Their actions are mainly controlled by the autonomic nervous system in the body. Main types of involuntary muscles are smooth muscles and cardiac muscles.